Selkirk-Metalbest Metalbest Direct-Temp 10" Direct Vent Attic Insulation Shield

10" Direct Vent Attic Insulation Shield from Direct-TempThe attic insulation shield is required to guard against the hazard of blown in or blanket insulation occupying the required 2” airspace around the vent.Direct-Temp system features stainless steel inner and heavy duty galvanized steel outer walls. Heavy duty centering brackets keep inner pipe centered and chamfered edges allow for easy slide-together assembly. The free-floating inner liner allows the pipe to expand and contract under high temperatur...