Self Seal MW-300 is a specially formulated, pre-sized, semi-rigid mineral felt strip with a 4.5 pcf (72 kg/m3) density.
Self Seal MW-300 is compatible with the following:
1. Aluminum, pre-cast, concrete and most exterior wall systems
2. Thermally expanding pipes that are insulated at fire separations with Self Seal PI-400
3. Power/communication cables and aluminum/galvanized steel cable trays
4. Static/non-static pipes and conduits
Global Firestop Services, PO Box 44012, Bedford, NS B4A 3X5. Tel: 902-468-6472; Fax: 902-468-6473.