Make neat internal angles fast. G150 is a 90° internal angle trim for forming upstands, cappings and gutter floors where two planes meet. Laminate on the inside face; key the external face if you plan to laminate over it. 

Why roofers pick it

• Tidy internal corners with a consistent radius and face.
• Versatile: used on upstands, box gutters, parapet cappings and covering flashings.
• System fit: adhesive + pins, bandage, laminate/topcoat with RORR.

Specs (typical)

• Length: 3 m | Common section: ~70 × 70 mm (ranges vary).

FAQs — G150 Internal Trim

Which side do I laminate?
The internal face; key the smooth outer face if you need to laminate over it. 

Where is H150 used most?
Internal corners, gutter floors, parapet cappings and similar 90° details. 

RORR compatible?
Yes — use RORR Resin + Catalyst, RORR CSM/Bandage, RORR Grey Topcoat.