A heavyweight fiberglass mat impregnated with coating asphalt. TAM-GLASS Premium can be used as a base ply or reinforcing ply in select built-up and modified specifications.

TAMKO Glass-Base is a heavyweight fiberglass base sheet ideal for use as a base sheet in select modified asphalt and fiberglass systems or as an alternative to Type 43 Coated Base Sheet.

A lightly-modified SBS fiberglass base sheet, BASE-N-PLY is used as a base ply over nailable decks and eliminates wrinkling that can occur with typical fiberglass base sheets.

TAMKO Vapor-Chan is a heavyweight fiberglass-based venting sheet coated with weathering-grade asphalt with a bottom surface embedded with ceramic mineral granules and embossed. Used to relieve vapor pressure over lightweight insulating concrete decks or in systems built over existing roofing systems.

Coated with weathering-grade asphalt, TAM-Ply IV can be used as base ply or reinforcing ply in select built-up and modified specifications.