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Has any air-conditioning contractors done a house with polyurethane foam?

I have a builder that is building a house that has spray foam in the walls and on the roof. I talked to the insulator and he said a rule of thumb is to use 1000 sq ft per ton, I can’t use just a rule of thumb in need something solid. Does anybody know where to get info on how to run a load with this stuff? The newest edition of Manual J I have doesn’t have anything in there about it. He can’t give me any R-values on any of this because he says the values will be to low and it will look like I need to take out more BTUH. How am I supposed to do a job when I can’t find any info about it.

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POLYURETHANE FOAM

Picnic Time Beachcomber Portable Beach Mat $39.98 Beachcomber Portable Beach Mat. The Beachcomber Portable Beach Mat is for those who enjoy being outdoors! Its a lightweight, portable beach mat that you can take anywhere. Fully-padded with adjustable reclining backrest, the Beachcomber allows you to stretch out your legs over a durable polyester mat sparing you from messy sand or bug-infested grass. It also features an adjustable shoulder strap a...

Tough Guy Polyurethane Anti-Fatigue Mat, Rectangular ...

Tough Guy Polyurethane Anti-Fatigue and Anti-Slip Mat, Rectangular, Black ...

Howard Leight MAX1 Earplugs Uncorded NRR33 Box/200 Count $17.99 Howard Leight Max pre-shaped foam earplugs feature a smooth outer skin for maximum user comfort. The smooth, soil resistant skin helps prevent dirt from penetrating the surface prior to insertion.These ear plugs have a 33 Noise Reduction Rating (NRR 33), the highest certified protection rating measured and are available in both corded and non-corded styles. ...

Gorilla Glue 50004 Adhesive, 4-Ounces $5.79 Gorilla Glue is the finest all purpose premium polyurethane wood glue available today. Gorilla Glue is environmentally friendly, incredibly strong, 100 waterproof, will not freeze, requires no mixing, does not become brittle with age and will not expand or contract in the glue joint. You can even glue up oily exotics without the kind of surface preparation required by other glues. You only need to...

Howard Leight LPF-1 Max Lite Uncorded Foam Earplugs Box, 200 Pair $15.99 Max Lite uncorded single-use earplug is ideal for people with smaller ear canals. The low-pressure polyurethane foam expands gently for a comfortable, long term wear. The contoured T-shape allows for easy handling and fit. The smooth soil-resistant skin prevents dirt build up. Pairs are individually packaged in a polybag. NRR 30....

Slumber Solutions Highloft Supreme 4-inch Memory Foam Mattress Topper $89.99 Constructed with 4-inches of high-density memory foam, this mattress topper from Slumber Solutions supports the body to reduce pressure points for a restful night's sleep.

Serta Rejuvenator Dual-layer 4-inch Memory Foam Mattress Topper $98.99 Experience the luxurious support of this double-layer Serta memory foam mattress topper. This two-layer mattress topper is designed to provide additional support and firmness while still providing the therapeutic benefits of a memory foam.

Slumber Solutions Big Bump 3-inch Memory Foam Mattress Topper $79.99 Big bump means big comfort. The sculpted foam design provides support and additional air flow for improved comfort. Memory foam is designed to reduce motion transfer and distribute weight evenly to help relieve stress points and muscle tension.

Polyurethane Triple Expanding Foam $108.66 Polyurethane Triple Expanding Foam

Polyurethane Triple Expanding Foam $157.37 Polyurethane Triple Expanding Foam

SouthernEnterprises BD8407FF Enhance Memory Foam Full 3 inch Polyurethane foam $194.99 Enhance Memory Foam is a naturally hypoallergenic and antimicrobial material which provides a healthier sleep environment. Because of its dense material the Enhance Memory Foam is naturally resistant to dust mites and bed bugs. Featuring cooltothe touch temperature neutral properties improved firmness and pressure point relief this mattress topper will keep you cool and comfortable and give you the rest you deserve. 53 W x 73 D x 3 H. Fits any full size mattress. Resistant to dust mites and bed bugs. 3 inch memory foam. Polyurethane foam construction. No assembly required. Dimensions:. Width: 53. Depth: 73. Height: 3

SouthernEnterprises BD8402FF Enhance Memory Foam Full 2 inch Polyurethane foam $129.99 Enhance Memory Foam is a naturally hypoallergenic and antimicrobial material which provides a healthier sleep environment. Because of its dense material the Enhance Memory Foam is naturally resistant to dust mites and bed bugs. Featuring cooltothe touch temperature neutral properties improved firmness and pressure point relief this mattress topper will keep you cool and comfortable and give you the rest you deserve. 53 W x 73 D x 2 H. Fits any full size mattress. Resistant to dust mites and bed bugs. 2 inch memory foam. Polyurethane foam construction. No assembly required. Dimensions:. Width: 53. Depth: 73. Height: 2

SouthernEnterprises BD8411FF Enhance Memory Foam Twin 4 inch Polyurethane foam $194.99 Enhance Memory Foam is a naturally hypoallergenic and antimicrobial material which provides a healthier sleep environment. Because of its dense material the Enhance Memory Foam is naturally resistant to dust mites and bed bugs. Featuring cooltothe touch temperature neutral properties improved firmness and pressure point relief this mattress topper will keep you cool and comfortable and give you the rest you deserve. 35 W x 73 D x 4 H. Fits any twin size mattress. Resistant to dust mites and bed bugs. 4 inch memory foam. Polyurethane foam construction. No assembly required. Dimensions:. Width: 35. Depth: 73. Height: 4