Self-Adhering Base Sheet
Citadel® Plus SBS modified asphalt core self-seals around nail or screw penetrations when mechanically fixing roofing. Seals to the roof deck providing additional security against potential leaks compared to mechanically fastened base sheets.
Peel & Stick application requires no special tools, no hot asphalt for hot mopping.
The poly faced surface designed to provide foot traction and maximum adhesion of Boral cap sheets:
- Boral TileSeal® HT – Boral’s strongest, most durable underlayment for tile, metal, shingle, shake or slate roofing
- GatorSeal®- granular surfaced SBS modified asphalt underlayment with heavy-duty fiberglass reinforcement for strength and durability
Warranties
Citadel® Plus has a manufacturer’s limited warranty when used with Boral Roofing’s cap sheet underlayments:
- 30 year warranty when installed as a base sheet under Boral TileSeal® HT
- 20 year warranty when installed as a base sheet under GatorSeal®