{"title":"Industrial Roof Mounted Exhaust Fan – Chemical \u0026 Corrosion-Resistant Ventilation System","description":"\u003cdiv class=\"row clearfix collection_r\"\u003e\n\t\u003cdiv class=\"col-md-12\"\u003e\n\t\t\u003cdiv style=\"text-align: center;\" class=\"cap\"\u003e\n\t\t\t\u003cp style=\"text-align: left;\"\u003eIndustrial roof mounted exhaust fans are built to remove contaminated air from chemical plants, laboratories, wastewater facilities, and manufacturing units. These systems support safe ventilation in spaces that handle corrosive fumes or moisture-heavy exhaust. Each fan uses polypropylene construction that resists acids, rust, and long-term degradation, which helps equipment last longer in harsh environments.\u003c\/p\u003e\n\t\t\t\u003cp style=\"text-align: left;\"\u003eThis makes an industrial roof mounted exhaust fan a dependable choice for operations that need steady airflow, chemical resistance, and reliable roof-mounted ventilation in demanding industrial settings.\u003c\/p\u003e\n\t\t\u003c\/div\u003e\n\t\t\u003cdiv class=\"all-coll\"\u003e\n\t\t\t\u003ca class=\"btn\" href=\"\/en-ca\/pages\/contact-us\"\u003eContact Us\u003c\/a\u003e\n\t\t\u003c\/div\u003e\n\t\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"roof-unit-15-direct-drive-forward-curve-roof-mountedpolypropylene-blower","title":"R 15 Direct Drive Forward Curve Roof Mounted Polypropylene Blower","description":"\u003cp\u003eR Unit 15 - The perfect solution for roof mounted applications, designed to exhaust fumes from or in highly corrosive environments, such as coastal environments, chemical plants, natatoriums, etc. The all-polypropylene construction and thick walls ensure maximum protection against acids and corrosion.  \u003cspan\u003eHindered-Amine Light Stabilizers (HALS) mixed with the polypropylene for increase UV resistance.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance range: 11–600 CFM · 0.1–2.55 in. Wg static pressure · 0.25–0.5 HP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion-resistant\u003c\/li\u003e\n\u003cli\u003eHorizontal discharge with roof curb mounting\u003c\/li\u003e\n\u003cli\u003eDesigned for mounting on 21x21\" roof curb\u003c\/li\u003e\n\u003cli\u003eLightweight and Attractive design\u003c\/li\u003e\n\u003cli\u003eIncludes pre-wired disconnect switch and protective exhaust guard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePre-assembled system from factory\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptional 18\" and 24\" tall roof curb available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe class=\"airtable-embed\" src=\"https:\/\/airtable.com\/embed\/appy8pc79tn2JDttz\/shrhO2hgf2fEjvZE1\" width=\"100%\" height=\"533\" style=\"background: transparent; border: 1px solid #ccc;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca id=\"product_pdf_submittal\" rel=\"noopener\" title=\"R 15 Specifications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/ROOF-UNIT-15-spec.pdf?v=1739286209\" target=\"_blank\"\u003eR 15 Performance \u0026amp; Dimensional Specifications PDF\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Plastec Ventilation Inc","offers":[{"title":"Single Phase \/ R15-6 \/ 115\/208-230","offer_id":45677868318945,"sku":"R15SS6P025","price":3981.03,"currency_code":"USD","in_stock":true},{"title":"Single Phase \/ R15-4 \/ 115\/208-230","offer_id":45677868482785,"sku":"R15SS4P033","price":3923.17,"currency_code":"USD","in_stock":true},{"title":"Single Phase \/ R15-2 \/ 115\/208-230","offer_id":45677868679393,"sku":"R15SS2P050","price":3931.75,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R15-6 \/ 208-230\/460","offer_id":45677873725665,"sku":"R15ST6P025","price":3941.3,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R15-4 \/ 208-230\/460","offer_id":45677873758433,"sku":"R15ST4P033","price":3948.93,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R15-4 \/ 575","offer_id":45677873856737,"sku":"R15CT4P033","price":3901.49,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R15-2 \/ 208-230\/460","offer_id":45677873791201,"sku":"R15ST2P050","price":3814.91,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R15-2 \/ 575","offer_id":45677873889505,"sku":"R15CT2P050","price":3941.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/Roof_Unit_15_-_1.jpg?v=1738878516"},{"product_id":"roof-unit-20-direct-drive-forward-curve-roof-mounted-polypropylene-blower","title":"R 20 Direct Drive Forward Curve Roof Mounted Polypropylene Blower","description":"\u003cp\u003eR Unit 20 - The perfect solution for roof mounted applications, designed to exhaust fumes from or in highly corrosive environments, such as coastal environments, chemical plants, natatoriums, etc. The all-polypropylene construction and thick walls ensure maximum protection against acids and corrosion.  \u003cspan\u003eHindered-Amine Light Stabilizers (HALS) mixed with the polypropylene for increase UV resistance.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance range: 30–1,200 CFM · 0.15–5.8 in. Wg static pressure · 0.25–1.5 HP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion-resistant\u003c\/li\u003e\n\u003cli\u003eHorizontal discharge with roof curb mounting\u003c\/li\u003e\n\u003cli\u003eDesigned for mounting on 21x21\" roof curb\u003c\/li\u003e\n\u003cli\u003eLightweight and Attractive design\u003c\/li\u003e\n\u003cli\u003eIncludes pre-wired disconnect switch and protective exhaust guard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePre-assembled system from factory\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptional 18\" and 24\" tall roof curb available\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe class=\"airtable-embed\" src=\"https:\/\/airtable.com\/embed\/appy8pc79tn2JDttz\/shrutLd9LiEZQoDvT\" width=\"100%\" height=\"533\" style=\"background: transparent; border: 1px solid #ccc;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca id=\"product_pdf_submittal\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/ROOF-UNIT-20-spec.pdf?v=1739286209\" title=\"R 20 Specifications\" rel=\"noopener\" target=\"_blank\"\u003eR 20 Performance \u0026amp; Dimensional Specifications PDF\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Plastec Ventilation Inc","offers":[{"title":"Single Phase \/ R20-6 \/ 115\/208-230","offer_id":45677964722401,"sku":"R20SS6P025","price":3849.11,"currency_code":"USD","in_stock":true},{"title":"Single Phase \/ R20-4 \/ 115\/208-230","offer_id":45677964886241,"sku":"R20SS4P033","price":3780.72,"currency_code":"USD","in_stock":true},{"title":"Single Phase \/ R20-2 \/ 115\/208-230","offer_id":45677965050081,"sku":"R20SS2P150","price":4108.24,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R20-6 \/ 208-230\/460","offer_id":45677971210465,"sku":"R20ST6P025","price":3799.27,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R20-4 \/ 208-230\/460","offer_id":45677971308769,"sku":"R20ST4P033","price":3806.21,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R20-4 \/ 575","offer_id":45677971341537,"sku":"R20CT4P033","price":3764.77,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R20-2 \/ 208-230\/460","offer_id":45677971374305,"sku":"R20ST2P150","price":4124.53,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R20-2 \/ 575","offer_id":45677971407073,"sku":"R20CT2P150","price":4127.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/Roof_Unit_20_-_1.jpg?v=1738878606"},{"product_id":"roof-unit-25-direct-drive-forward-curve-roof-mounted-polypropylene-blower","title":"R 25 Direct Drive Forward Curve Roof Mounted Polypropylene Blower","description":"\u003cp\u003eR Unit 25 - The perfect solution for roof mounted applications, designed to exhaust fumes from or in highly corrosive environments, such as coastal environments, chemical plants, natatoriums, etc. The all-polypropylene construction and thick walls ensure maximum protection against acids and corrosion.  \u003cspan\u003eHindered-Amine Light Stabilizers (HALS) mixed with the polypropylene for increase UV resistance.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance range: 100–2,100 CFM · 0.25–8 in. Wg static pressure · 0.25–4 HP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion-resistant\u003c\/li\u003e\n\u003cli\u003eHorizontal discharge with roof curb mounting\u003c\/li\u003e\n\u003cli\u003eDesigned for mounting on 21x21\" roof curb\u003c\/li\u003e\n\u003cli\u003eLightweight and Attractive design\u003c\/li\u003e\n\u003cli\u003eIncludes pre-wired disconnect switch and protective exhaust guard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePre-assembled system from factory\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptional 18\" and 24\" tall roof curb available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe style=\"background: transparent; border: 1px solid #ccc;\" height=\"533\" width=\"100%\" src=\"https:\/\/airtable.com\/embed\/appy8pc79tn2JDttz\/shrKuBopeAQwp7oma\" class=\"airtable-embed\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca id=\"product_pdf_submittal\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/ROOF-UNIT-25-spec.pdf?v=1739286209\" title=\"R 25 Specifications\" rel=\"noopener\" target=\"_blank\"\u003eR 25 Performance \u0026amp; Dimensional Specifications PDF\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Plastec Ventilation Inc","offers":[{"title":"Single Phase \/ R25-6 \/ 115\/208-230","offer_id":45678045659361,"sku":"R25SS6P025","price":3931.75,"currency_code":"USD","in_stock":true},{"title":"Single Phase \/ R25-4 \/ 115\/208-230","offer_id":45678045823201,"sku":"R25SS4P075","price":4043.71,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R25-6 \/ 208-230\/460","offer_id":45678048182497,"sku":"R25ST6P025","price":3894.65,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R25-4 \/ 208-230\/460","offer_id":45678048248033,"sku":"R25ST4P075","price":4040.31,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R25-4 \/ 575","offer_id":45678048280801,"sku":"R25CT4P075","price":4040.31,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R25-2 \/ 208-230\/460","offer_id":47877030084833,"sku":"R25ST2P400","price":4929.99,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R25-2 \/ 575","offer_id":45678048346337,"sku":"R25CT2P400","price":5256.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/Roof_Unit_25_-_1.jpg?v=1738878698"},{"product_id":"roof-unit-30-direct-drive-forward-curve-roof-mounted-polypropylene-blower","title":"R 30 Direct Drive Forward Curve Roof Mounted Polypropylene Blower","description":"\u003cp\u003eR Unit 30 - The perfect solution for roof mounted applications, designed to exhaust fumes from or in highly corrosive environments, such as coastal environments, chemical plants, natatoriums, etc. The all-polypropylene construction and thick walls ensure maximum protection against acids and corrosion.  \u003cspan\u003eHindered-Amine Light Stabilizers (HALS) mixed with the polypropylene for increase UV resistance.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance range: 270–3,400 CFM · 0.3–3.1 in. Wg static pressure · 0.75–1.5 HP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion-resistant\u003c\/li\u003e\n\u003cli\u003eHorizontal discharge with roof curb mounting\u003c\/li\u003e\n\u003cli\u003eDesigned for mounting on 21x21\" roof curb\u003c\/li\u003e\n\u003cli\u003eLightweight and Attractive design\u003c\/li\u003e\n\u003cli\u003eIncludes pre-wired disconnect switch and protective exhaust guard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePre-assembled system from factory\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptional 18\" and 24\" tall roof curb available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe class=\"airtable-embed\" src=\"https:\/\/airtable.com\/embed\/appy8pc79tn2JDttz\/shrn5KqaDsCR8YqMh\" width=\"100%\" height=\"533\" style=\"background: transparent; border: 1px solid #ccc;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca id=\"product_pdf_submittal\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/ROOF-UNIT-30-spec.pdf?v=1739286209\" title=\"R 30 Specifications\" rel=\"noopener\" target=\"_blank\"\u003eR 30 Performance \u0026amp; Dimensional Specifications PDF\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Plastec Ventilation Inc","offers":[{"title":"Single Phase \/ R30-6 \/ 115\/208-230","offer_id":45678081376481,"sku":"R30SS6P075","price":5206.84,"currency_code":"USD","in_stock":true},{"title":"Single Phase \/ R30-4 \/ 115\/208-230","offer_id":45678081540321,"sku":"R30SS4P150","price":5344.41,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R30-6 \/ 208-230\/460","offer_id":45678087504097,"sku":"R30ST6P075","price":5204.94,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R30-6 \/ 575","offer_id":45678087536865,"sku":"R30CT6P075","price":5217.74,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R30-4 \/ 208-230\/460","offer_id":45678087569633,"sku":"R30ST4P150","price":5573.84,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R30-4 \/ 575","offer_id":45678087602401,"sku":"R30CT4P150","price":5460.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/Roof_Unit_30_-_1.jpg?v=1738878813"},{"product_id":"roof-unit-35-direct-drive-forward-curve-roof-mounted-polypropylene-blower","title":"R 35 Direct Drive Forward Curve Roof Mounted Polypropylene Blower","description":"\u003cp\u003eR Unit 35 - The perfect solution for roof mounted applications, designed to exhaust fumes from or in highly corrosive environments, such as coastal environments, chemical plants, natatoriums, etc. The all-polypropylene construction and thick walls ensure maximum protection against acids and corrosion.  \u003cspan\u003eHindered-Amine Light Stabilizers (HALS) mixed with the polypropylene for increase UV resistance.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance range: 500–6,400 CFM · 0.4–5.45 in. Wg static pressure · 2–10 HP\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion-resistant\u003c\/li\u003e\n\u003cli\u003eHorizontal discharge with roof curb mounting\u003c\/li\u003e\n\u003cli\u003eDesigned for mounting on 27x27\" roof curb\u003c\/li\u003e\n\u003cli\u003eLightweight and Attractive design\u003c\/li\u003e\n\u003cli\u003eIncludes pre-wired disconnect switch and protective exhaust guard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePre-assembled system from factory\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptional 18\" tall roof curb available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe class=\"airtable-embed\" src=\"https:\/\/airtable.com\/embed\/appy8pc79tn2JDttz\/shrRasg7XkBS8t0K1\" width=\"100%\" height=\"533\" style=\"background: transparent; border: 1px solid #ccc;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca id=\"product_pdf_submittal\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/ROOF-UNIT-35-spec.pdf?v=1739286209\" title=\"R 35 Specifications\" rel=\"noopener\" target=\"_blank\"\u003eR 35 Performance \u0026amp; Dimensional Specifications PDF\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Plastec Ventilation Inc","offers":[{"title":"Three Phase \/ R35-8 \/ 208-230\/460","offer_id":45678100775137,"sku":"R35ST8P200","price":9090.4,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R35-6 \/ 208-230\/460","offer_id":45678100938977,"sku":"R35ST6P300","price":9089.26,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R35-4 \/ 208-230\/460","offer_id":45678101102817,"sku":"R35ST4P1000","price":10376.03,"currency_code":"USD","in_stock":true},{"title":"Three Phase \/ R35-4 \/ 575","offer_id":45678101922017,"sku":"R35CT4P1000","price":10372.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/files\/Roof_Unit_35_-_1.jpg?v=1738878951"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0312\/1912\/2316\/collections\/Roof_Unit_Series_Image_-_1.png?v=1744374601","url":"https:\/\/www.plastecventilation.com\/en-ca\/collections\/roof-unit-series.oembed","provider":"Plastec Ventilation","version":"1.0","type":"link"}