KCC WATERSAFE NATURE 24K Water-Repellent Exterior Insulation

WATERSAFE NATURE 24K is a lightweight water-repellent glass wool with natural binder for dry external wall insulation systems, rated Grade A for insulation performance.

Key features

Grade A insulation: 0.033 W/mK tested (Grade A limit 0.034)
Water-repellent: 0.4 kg/m2 short-term, 1.7 kg/m2 long-term absorption (tested)
Lightweight 24K: 3.2 kg/m2 at 135 mm vs 5.4 kg/m2 for 40K
Non-combustible test report held
Natural plant-derived binder

Specifications

Density	24 kg/m3
Thermal conductivity	0.033 W/mK tested; KS <= 0.037
Hot shrinkage temperature	368 C tested; KS >= 300 C
Short-term water absorption	0.4 kg/m2 (24 h) tested; KS <= 1.0
Long-term water absorption	1.7 kg/m2 (28 days) tested; KS <= 3.0
Fire performance	Non-combustible
Thickness	50 mm and up (over 190 mm: two layers)
Source	KCC WATERSAFE NATURE 24K leaflet

WATERSAFE NATURE 24K 1000x2000

Density: 24 kg/m3 | Thickness: 50 mm and up | Size: 1,000 x 2,000 mm | k: 0.033 W/mK

Glass Wool InsulationKCC Corporation

1 product code available in this family

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KCC WATERSAFE NATURE 24K Water-Repellent Exterior Insulation

Brand KCC Corporation·Glass Wool Insulation

Available part numbers (1)

WATERSAFE NATURE 24K 1000x2000

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	Product code	Spec
	WATERSAFE NATURE 24K 1000x2000	Density: 24 kg/m3 \| Thickness: 50 mm and up \| Size: 1,000 x 2,000 mm \| k: 0.033 W/mK

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KCC WATERSAFE NATURE 24K Water-Repellent Exterior Insulation