Eps Insulation Under Concrete Slab

Say you use an average and relatively inexpensive rating of 40 psi then the insulation will support.

Eps insulation under concrete slab.

Under slab 3 more ways to filter. A durable and energy efficient solution for insulation applications and the ideal material to stop energy loss at the foundation slab. When building a slab on grade eps rigid foam insulation is the most common choice of insulation for performance and cost. Spray foam for sure has uses where it is the best choice by a long shot but under a slab is not the place.

In new hampshire chris roche is pulling together plans for a new energy efficient home. With a large offering of below grade and under slab insulating products insulfoam and r tech brand expanded polystyrene eps and graphite polystyrene gps insulation products are engineered to stand the test of time. Confirm long term thermal performance. Get free shipping on qualified eps under slab foam board insulation or buy online pick up in store today in the building materials department.

In this insulation detail at the perimeter of the slab a total of 6 inches of rigid foam insulation separates the interior slab from the outdoors. Moisture resitance and stable r value protects and insulates your concrete slab for a superior energy saving solution. Commercial below grade insulation. Unitherm is made from unipoly a light weight moulded polystyrene material with exceptional thermal insulation properties.

Commercial below grade insulation. 40 psi x 8 wide tire x 12 long tire print 3 840 lbs. Although both are closed cell insulations they perform very differently over the long term. I wouldn t go as far as saying you couldn t use spray foam below a slab but i m not sure why you d want to.

A plywood bottom plate helps to stabilize the double stud wall. Eps 3 xps 2 faced or unfaced. Illustration by chris roche. Two of the rigid foam insulations most commonly used below grade and under slabs are expanded polystyrene eps and extruded polystyrene xps.

Cement 3 concrete 3 existing drywall 2 plywood 3 wood 2 sheathing type. Xps and eps rigid insulation is used under concrete slabs. Using an unnecessarily high strength insulation you end up paying for something you don t really need. Historically used as a stable roof insulation eps has gained wide acceptance in wall below grade and under slab applications due to its low moisture absorption strength and stable long term thermal performance.