ROOF INSULATION Sample Clauses

ROOF INSULATION. Sisalation 420' or similar approved heavy industrial grade aluminium foil based insulation.:

ROOF INSULATION. The insulation above conditioned office area ceilings shall be minimum R-11 fiberglass xxxxx

ROOF INSULATION. Roof areas shall be insulated with rigid insulation installed over metal deck to provide an approximate overall R value of 22.

ROOF INSULATION. A. Polyisocyanurate Board Insulation: ASTM C 1289, Type II, Class 1, Grade 3, felt or glass- fiber mat xxxxx on both major surfaces. Provide R-25 minimum. B. Composite Polyisocyanurate Board Insulation (for precast concrete parapets): ASTM C 1289, with factory- applied facing board on one major surface, as indicated below by type, and felt or glass-fiber mat xxxxx on the other. 1. Type V, oriented strand board xxxxx, 7/16 inch thick.

ROOF INSULATION. 1. An average R value of 20 will be provided which will be achieved with light weight insulating concrete.

ROOF INSULATION. Unfaced fiberglass blanket type insulation.

ROOF INSULATION. Entire roof to be insulated with Koppers insulation, min. R value of 12.5 mfr. guaranteed 10 years. DRAINS: Floor drains shall be 4 " Josam Model 17500. Gutter on rear, drain to grade, for roof, where permitted, but piped under all paved areas.

ROOF INSULATION. A. General: Provide preformed roof insulation boards that comply with requirements and referenced standards, selected from manufacturer's standard sizes and of thicknesses indicated. B. Polyisocyanurate Board Insulation: ASTM C 1289, Type II, Class 1. 1. Install the tapered insulation system shown and described within the Construction Drawings. C. Cover board 1. Acceptable products: a. Perlite insulation board conforming to ASTM C 728 1) Thickness: ¾” b. Fiberboard: ASTM C 208 Type II, Grade 1 roof insulating board with a minimum recovered material content of 80 percent, treated with sizing, wax or bituminous impregnation. Bituminous impregnation shall be limited to 4 percent by weight when used over steel decks. 1) Thickness: ½” D. Provide preformed saddles, crickets, tapered edge strips, and other insulation shapes where indicated for sloping to drain. Fabricate to slopes indicated.

ROOF INSULATION. A. All roof insulations proposed for this project shall be approved in writing by the membrane manufacturer for use with their membrane and as required to achieve the required roofing warranty. Copies of the written acceptance shall be forwarded to the Engineer. B. Tapered and flat stock isocyanurate insulation shall be skinned with factory-applied fiberglass bituminous felt as manufactured by Celotex, Xxxxx Xxxxxxxx, Xxxxxxxxx, or as supplied by the membrane manufacturer as required to meet membrane manufacturer’s requirements and warranty. The isocyanurate insulation board shall conform to ASTM Specification C 1289, Type II, Class 1, Grade 2 (20 psi minimum). 1. The isocyanurate insulation shall have an area weighted aged R-Value of 30 at as required to meet the Long-Term Thermal Resistance (LTTR) value in accordance with ASTM C518 and the Building Code of the Town of Hooksett N.H., and IBC 2018 Edition. Note that tapered insulation more than one-inch (1”) above the thinnest spot is not allowed to be factored into the average insulation value. (Not including drain sump areas). 2. The isocyanurate insulation board size shall be a minimum of two feet by two feet (2’ x 2’) if close to roof edge, or four feet by four feet (4’ x 8’) if located in field of roof square and of uniform dimension. 3. Isocyanurate insulation shall be approved in writing by the insulation and membrane manufacturer that the methods of attachment are covered under the membrane manufacturer’s labor and material warranty. Copies of the written acceptance shall be forwarded to the Engineer. C. Tapered edge strips shall consist of isocyanurate insulation. Isocyanurate insulation tapered edge strips shall meet ASTM C1289, Type II, Class 1, Grade 2 specifications. D. Roof crickets shall consist of one-quarter inch (¼”) per twelve-inch (12”) slope.

ROOF INSULATION. Tile insulation above conditioned office area ceilings shall be minimum R11 fiberglass baits.