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 insulation under concrete slab.

Spray foam for sure has uses where it is the best choice by a long shot but under a slab is not the place. Eps 3 xps 2 faced or unfaced. An overly conservative design approach often results in specification of a high compressive resistance xps product when a more cost effective eps. 40 psi x 8 wide tire x 12 long tire print 3 840 lbs.

Unitherm is made from unipoly a light weight moulded polystyrene material with exceptional thermal insulation properties. 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. Eps insulation in an under slab application. Formaldehyde free 3 structural 2 vapor retardant 2 insulation r value.

Xps and eps rigid insulation is used under concrete slabs. Concrete 4 existing drywall 2. 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. Eps insulation blocks can be custom cut into a variety of shapes and sizes to meet wide ranging job specifications.

Get free shipping on qualified under slab foam board insulation or buy online pick up in store today in the building materials department. 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. Faced 2 unfaced 3 insulation features. 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.

Forklifts to be used in the building impart 8 000 pounds of force at the wheel which has a 6 inch by 10 inch tire footprint on the slab. Cement 3 concrete 3 existing drywall 2 plywood 3 wood 2 sheathing type. Say you use an average and relatively inexpensive rating of 40 psi then the insulation will support. 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.

They both come in various rated compressive strengths from 10 psi to about 80 psi. When building a slab on grade eps rigid foam insulation is the most common choice of insulation for performance and cost. Get free shipping on qualified eps under slab foam board insulation or buy online pick up in store today in the building materials department.