Radiant Barrier Foam Board Insulation

This allows moisture to seep in.

Radiant barrier foam board insulation. 0 i live outside phoenix az and i have a flat roof that will be redone no attic. Atticfoil is a perforated radiant barrier so it can handle the regular amount of moisture that naturally passes through the sheetrock and insulation but it could be overloaded if you have a large source of warm moisture laden air. Shop at lowe s to find the foam sheeting you need for your next insulation project. The barriers consist of a highly reflective material that reflects radiant heat rather than absorbing it.

Foam insulation most commonly comes in two forms. The rigid foam insulation addresses the conduction and convection and adding a radiant barrier addresses radiation you ll find that adding a radiant barrier is best practice but only when there is an air space. Get free shipping on qualified foam board insulation or buy online pick up in store today in the. Insulation foam boards don t work on uneven walls basement walls often have contours where a 4x8 foam board won t fill the gap.

Foam insulation rigid boards are 4 x8 sheets usually cast of closed cell polystyrene designed to fit directly inside walls against the interior or exterior of plywood sheathing as well as on top of sub floors. Polyisocyanurate is another option coming in as the densest and more expensive option for foam board. R5 radiant acoustic insulation kit stc 19 5 piece model sb12akit. In the summer radiant heat is the biggest contributor to heated attic spaces so spray foam insulation may not be as effective in keeping attics cool.

If you remember back to high school science days heat transfers three ways conduction convection and radiation. They don t however reduce heat conduction like thermal insulation materials. Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more. R 3 graphite radiant barrier wall insulation kit 9 sheets kit model.

Radiant barriers can have an impact on heat gain e g. Our product is easy to handle and install. The list of uses includes crawl space radiant floor attic and walls. Radiant barriers are installed in homes usually in attics primarily to reduce summer heat gain and reduce cooling costs.

Reflectix insulation has over 20 energy saving applications for reflectix insulation has over 20 energy saving applications for around the home. Spray foam insulation doesn t protect attic spaces from radiant heat but does protect them from convection and conduction.