Polyisocyanurate Roof Insulation Wet

1 when joints penetrations detailed appropriately.

Polyisocyanurate roof insulation wet.

Additionally trymer pir is offered in a variety of different densities and compressive strengths to ensure the product consistency is suited for the unique needs of. Trymer pir polyisocyanurate is a closed cell foam insulation for industrial pipes vessels and equipment. Polyiso is most commonly used as a continuous insulation for roofs and walls and as a protective roof cover board. Recognizing the importance of an energy efficient building thermal envelope modern energy codes establish minimum requirements for insulation.

Liquid water should never be present in a building system. It can be attached using a variety of methods and is compatible with all of carlisle s single ply systems. It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat. Polyiso applications polyiso is a versatile high performance insulation solution that is suitable for a multitude of applications.

Polyisocyanurate polyiso polyiso is the industry s premier roofing insulation. If an insulation polyiso or polystyrene is submerged in water the insulation benefit. Roof insulation is a critical component of a roof system and contributes to overall building energy efficiency as the roof is the largest single side of a typical building. The reports concern surface staining of polyisocyanurate insulation which has been interpreted by some as evidence that the material has become wet and should be replaced.

My concern is that i am currently getting ready to reside my house and i have already installed this on 50 of my home. Designers are advised to determine the optimum thickness of polyiso by performing a dew point calculation for the system. Fm approved subject to the conditions of approval as a roof insulation when installed as shown in the current edition of the factory mutual research approvals guide. 2 stated thermal resistance values are based upon conditioning requirements and test methodology found in astm c1289 and astm c518 for foil faced polyisocyanurate insulation.

This is an even more dense and more expensive foam board insulation. I just read one of the discussions on the use of polyisocyanurate insulation on the exterior of a home and how it acts as a vapor barrier and not to use it because it doesn t breath thus resulting in potential condensation and mold problems within the walls. Trymer pir can be used in applications that operate at temperatures ranging from 297 f to 300 f 183 c to 148 c. For this reason polyiso is the best insulation for cavity wall applications.

Benefits of energyguard polyiso roof insulation include. Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness. See also material data sheet msds 1511 or msds 1911.