Atlas AC Foam Nail Base 4.5"x4'x8' 7/16" OSB / 4" Polyiso
Part #ATLAS ROOF ACFNB 45
Product Description
4' x 8', 4.5" Thick, -100 Deg F to 250 Deg F, 25 PSI Compressive Strength, 24.2 Long Term Thermal Resistance, Closed Cell Polyisocyanurate Foam, ACFoam® Roof Insulation
- Brand: Atlas RoofInsulation Thickness: 4.5 InchMaterial: Closed Cell Polyisocyanurate FoamRoll/Sheet Dimensions: 4 Foot x 8 FootType: Nailable
- Long Term Thermal Resistance 24.2; Compressive Strength 25 PSI; Water Absorption Less than 1 Percent; Flame Spread 40 to 50; Smoke Developed 50 to 170
- Roof Insulation; Type Nailable; Insulation Thickness 4.5 Inch; Roll/Sheet Dimensions 4 Foot x 8 Foot; Material Closed Cell Polyisocyanurate Foam; Maximum Temperature Rating 250 Deg F; Minimum Temperature Rating -100 Deg F; Application Re-Roofing, Solid Wood and Metal Roof Deck; Applicable Standard UL 1256/790/263/1897, ASTM D2126/D1621/C209/D2842/E96/D1622/E84/D1623/C1289 Type V, FM 4450/4470, IBC, NBC, APA/TECO; Long Term Thermal Resistance 24.2; Compressive Strength 25 PSI; Water Absorption Less than 1 Percent; Flame Spread 40 to 50; Smoke Developed 50 to 170
- Thermally efficient closed-cell ACFoam®-II or ACFoam®-III polyisocyanurate (polyiso) insulation board bonded to min. 7/16 inch APA/TECO rated OSB or min. 19/32 inch CDX plywood on the top face. ACFoam Nail Base is offered in a variety of composite thicknesses, providing long-term thermal resistance (LTTR) values from 6.3 to 24.2. Made to order in 4ft x 8ft (1220mm x 2440mm) panels with a nominal thickness of 1.5 to 4.5 inch Manufactured in accordance with ASTM C1289, Type V.