Phenolic Roof Insulation

Phenolic foam roof insulation consisted of a phenolic foam core bonded to nonasphaltic fiberglass and other facers.

Phenolic roof insulation.

The reason is that phenolic dust once introduced to moisture can become very acidic and damage surrounding materials. In a short amount of time this sulphonic acid corrodes both standard painted deck as well as galvanized deck. The denser thinner layer acts as a cover board and is attached at the factory. Our phenolic foam trymer supercel phenolic is a closed cell rigid phenolic foam insulation.

Currently july 2014 membrane roofing manufacturers will not issue a warranty on new roofing on buildings which had phenolic insulation. Phenolic insulation exposed to humidity or direct moisture such as roof leaking creates sulphonic acid. Phenolic insulation is the most thermally efficient insulation commonly used helping you to meet building regulations and has exceptional fire performance. Click here to see more roofing topics.

Phenolic foam insulation was a short lived innovation developed in the early 80s in response to the energy crisis driven demand for greater insulation efficiency. Phenolic foam is one of numerous available varieties of insulation. Claimed benefits were high insulation value and excellent fire resistance. It was produced in board form in various sizes and thicknesses ranging from 1 inch to 3 3 5 inches 25 4 mm to 91 4 mm.

Where can i use phenolic insulation. Installing polyisocyanurate insulation boards in adhesive during a roof installation. It can be used in a variety of roof wall and floor applications which makes it a great solution for a range of constructions. Composite polyiso insulation board.

Phenolic foam insulation used to be available in board form but today is only sold as a type of foamed in place insulation. The plant is comprised of several sections with varying heights says lembke. Phenolic foam insulation was manufactured and sold into the north american market in the 1980 s and early 90 s mainly as roofing insulation. It offers many advantages including excellent density and an r value of 4 8 per inch of thickness which forms an effective barrier against heat transfer and thus helps you save energy around the house.

As regulations required higher r value insulation in roofs a demand arose for material which offered both fire resistance and high r value while not requiring a full roofing re build to accommodate its thickness. The presence of phenolic insulation should be carefully considered. High moisture absorption potential and residual acid present in the foam allegedly resulted in significant corrosion issues. Other precautions had to be undertaken as well.