This material offers the highest r values about r 6 to 6 5.
Foil faced rigid insulation board.
Johns manville ap foil faced polyiso foam sheathing boards are available in r values up to r 28 and offer a reflective foil facer on one side and a non reflective facer on the other.
Does not melt when exposed to flame versus other types of rigid foam board astm e84 the low permeability of foil facing coupled with polyiso s high thermal performance make it ideal for controlling condensation in walls.
Select store buy.
Highest r value per inch of any rigid board insulation.
Johns manville r 13 common.
Ship to store free.
Nominal size ranges from 47 75 to 48 25 by 95 75 to 96 25.
1 in x 4 ft x 8 ft.
They re much lighter and easier to work with than plywood sheets.
Johns manville ap foil faced polyiso continuous insulation board consists of a uniform closed cell polyisocyanurate foam core bonded on each side to a foil facer.
Compare click to add item johns manville foil faced polyiso foam board insulation 4 x 8 to the compare list.
Product overview r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board composed of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer.
Working with home insulation boards insulation panels typically come in 4x8 foot sheets.
Johns manville r 6 common.
1 in x 4 ft x 8 ft ap foil 1 faced polyisocyanurate foam board insulation item 101645 model 90001019.
Iko enerfoil sheathing wall insulation is a rigid polyisocyanurate foam insulation board with high thermal properties.
Add to list click to add item johns manville foil faced polyiso foam board insulation 4 x 8 to your list.
One side has a reflective foil facer and the other side has a white non reflective foil facer to suit your building needs.
It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat.
Smaller sizes are also available.
Ap foil provides exceptional heat moisture and air control and when installed correctly eliminates all major thermal bridges that cause heat loss.
Polyiso provides one of the highest r values per inch of any rigid insulation r 6 0 at 1 inch.
This is an even more dense and more expensive foam board insulation.
2 in x 4 ft x 8 ft.
Products with foil facing help the panels resist moisture vapor.