Glass/mineral waste / Roll/Mat

그라스울 (에너프리 외)

Glass wool insulation from Byucksan, Korea. The official catalogue states over 85% waste-material (recycled glass) usage. Enerfree grade at λ 0.032 W/mK (Korean energy-code grade 가), standard 0.034–0.037, densities 24–120 kg/m³, hot shrinkage 300–400°C. KS, JIS, eco building material, Korea Eco-Label and non-combustibility certificates reproduced in the catalogue. Lines include Enerfree, Waterfree (water-repellent external), Freemat, G/C board and panel core.

The second Korean glass wool record after KCC Nature — this one puts the waste-material rate (85%+) in its catalogue as a number. Widens the choice of non-comb…

Good for

• Korean wall/ceiling insulation and absorption where Eco-Label and non-combustibility papers are needed
• Per-use glass wool picks — water-repellent external, panel cores

Consider

• The Eco-Label certificate number was not captured from the catalogue summary; re-reading needed.
• As with all glass wool, dust protection is needed during install; the 85% waste breakdown (glass share) is not itemised.

Manufacturer

Byucksan

Availability

Sold in Korea

Checked

2026-09-05