Mulch Guide - Fiberglass

Mulch Guide - Fiberglass

Appearance: Poor
Insulation: Excellent
Cost: High
Thickness: 3½-6 in.
Weed Control: Excellent
Water Penetration: Fair, will get soggy and mat
Moisture Retention: Good
Decomposition Speed: No decomposition
Comments: Unpleasant to handle. Totally fireproof. Mats are better than building insulation.

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