Eps Insulation Under Concrete Slab

Eps insulation in an under slab application.

Eps insulation under concrete slab.

As insulation becomes increasingly common on foundations and under slabs understanding the performance and cost factors of the different materials is important for successful bids and profitability. Eps 3 xps 2 faced or unfaced. Take the case of a warehouse with a 6 inch thick 2 500 psi concrete slab on 2 inches of eps insulation with a rated stiffness of 360 psi for one inch. Xps and eps rigid insulation is used under concrete slabs.

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. When building a slab on grade eps rigid foam insulation is the most common choice of insulation for performance and cost. Faced 2 unfaced 3 insulation features. Under slab 3 more ways to filter.

Under slab insulation up site admin 2020 07 16t01 50 20 00 00 a durable and energy efficient solution for insulation applications and the ideal material to stop energy loss at the foundation slab. Yet concrete slabs distribute loads more uniformly than this which means the insulation does not need as high of a compressive resistance as when one assumes a concentrated triangular load path. Unitherm is made from unipoly a light weight moulded polystyrene material with exceptional thermal insulation properties. An overly conservative design approach often results in specification of a high compressive resistance xps product when a more cost effective eps.

Formaldehyde free 3 structural 2 vapor retardant 2 insulation r value. 40 psi x 8 wide tire x 12 long tire print 3 840 lbs. Cement 3 concrete 3 existing drywall 2 plywood 3 wood 2 sheathing type. Get free shipping on qualified eps under slab foam board insulation or buy online pick up in store today in the building materials department.

Eps offers a number of advantages over the more commonly installed xps including having the highest r value per dollar among rigid insulations. Eps 3 xps 2 faced or unfaced. Eps insulation blocks can be custom cut into a variety of shapes and sizes to meet wide ranging job specifications. They both come in various rated compressive strengths from 10 psi to about 80 psi.

Get free shipping on qualified under slab foam board insulation or buy online pick up in store today in the building materials department. 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. Concrete 4 existing drywall 2.