Insulation Calculator

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Determine Your Floor and Slab Insulation Solutions

1. Choose the appropriate table corresponding to your slab type.

2. Choose the accurate area-to-perimeter ratio for your slab. If you require assistance with calculations, utilize our convenient calculator located to the right.

3. Determine the suitable combination of products that will achieve the targeted construction R-value.

For more calculations, please click here.

If you have technical inquiries or require more comprehensive information, you can reach us at (09) 279 9611 or get in touch with our Technical Team via email at info@koolfoam.co.nz.

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Slab Edge R Value with EPS and XPS

RATIO A/P,M	220MM WAFFEL POD UNISULATED RIB AND UNDERSLAB	220MM WAFFLE POD ON CONTINUOS 50MM VH GRADE EPS	220MM SOLID ECO POD WITH UNISULATED RIB AND UNDERSLAB
1	0.86	1.36	0.91
1.6	1.12	1.77	1.20
1.8	1.21	1.91	1.30
2	1.30	2.04	1.39
2.2	1.37	2.15	1.47
2.4	1.45	2.25	1.55
2.6	1.52	2.35	1.63
2.8	1.59	2.45	1.70
3	1.67	2.55	1.78
3.2	1.74	2.64	1.85
3.4	1.80	2.73	1.92
3.6	1.87	2.82	1.99
3.8	1.94	2.91	2.07
4	2.01	3.00	2.14
5	2.35	3.41	2.49

Slab Edge R Value with EPS and XPS

RATIO A/P,M	220MM WAFFEL POD ON CONTINUOUS 25MM XPS	220MM SOLID POD ON CONTINUOUS 25MM XPS	220MM SOLID ECO POD WITH CONTINUOUS 50MM VH EPS (NO EDGE INSULATION)	220MM WAFFLE POD WITH CONTINUOUS 50MM XPS (NO EDGE INSULATION)	220MM SOLID ECO POD WITH CONTINUOUS 50MM XPS (NO EDGE INSULATION)
1	1.26	1.41	0.98	0.93	1.00
1.6	1.62	1.89	1.40	1.29	1.43
1.8	1.74	2.04	1.54	1.41	1.57
2	1.86	2.20	1.68	1.53	1.72
2.2	1.95	2.32	1.79	1.63	1.83
2.4	2.04	2.44	1.90	1.73	1.95
2.6	2.14	2.55	2.01	1.82	2.07
2.8	2.23	2.67	2.12	1.92	2.18
3	2.32	2.79	2.23	2.01	2.30
3.2	2.40	2.89	2.33	2.10	2.40
3.4	2.49	2.99	2.42	2.18	2.50
3.6	2.57	3.09	2.52	2.27	2.60
3.8	2.65	3.18	2.62	2.35	2.70
4	2.73	3.28	2.71	2.44	2.80
5	3.12	3.74	3.16	2.83	3.27

Slab Edge R Value with EPS and XPS

RATIO A/P,M	220MM SOLID ECO POD ON CONTINUOUS 50MM VH EPS	PLAIN SLAB ON GROUND ON CONTINUOUS 50MM VH EPS	220MM WAFFLE POD ON CONTINUOUS 50MM XPS UNDERSLAB	220MM SOLID POD ON CONTINUOUS 50MM XPS UNDERSLAB
1	1.51	0.98	1.43	1.43
1.6	2.04	1.31	1.87	2.13
1.8	2.22	1.42	2.01	2.32
2	2.39	1.54	2.16	2.51
2.2	2.52	1.62	2.27	2.65
2.4	2.65	1.71	2.38	2.79
2.6	2.78	1.80	2.49	2.92
2.8	2.91	1.89	2.60	3.06
3	3.04	1.97	2.71	3.20
3.2	3.15	2.05	2.80	2.80
3.4	3.26	2.13	2.89	3.43
3.6	3.37	2.21	2.99	3.55
3.8	3.48	2.28	3.08	3.66
4	3.59	2.36	3.17	3.78
5	4.07	2.73	3.60	4.29

Insulation Calculator

Determine Your Floor and Slab Insulation Solutions

Slab Area to Perimeter Ratio

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Slab Edge R Value with EPS and XPS

Slab Edge R Value with EPS and XPS

Slab Edge R Value with EPS and XPS

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