Description
Product Description:
The Timloc FRSTOP100 Cavity Stop Sock is a pre‑formed fire‑resistant cavity barrier designed to restrict the spread of smoke and flames within external wall cavities.
It provides up to 1 hour fire integrity, helping maintain compartmentation in masonry and framed wall constructions.
Manufactured from non‑combustible mineral wool encased in a robust polythene sleeve, it is quick to install and suitable for both horizontal and vertical applications in 100mm cavities.
Product Specification:
• Type: Fire‑Resistant Cavity Stop Sock
• GTIN: 5056447129632
• Brand: Timloc
• Model Code: FRSTOP100
• Size: 100mm cavity x 1.2m length
• Material: Non‑combustible mineral wool with polythene sleeve
• Fire Rating: Up to 1 hour fire integrity
• Application:
• External wall cavities
• Horizontal and vertical fire stopping
• Masonry and framed wall constructions
• Thermal Performance: Provides additional insulation within the cavity
• Moisture Resistance: Polythene sleeve prevents moisture ingress
• Installation: Push‑fit; no special tools required
• Pack Quantity: 1
Additional Features:
• Maintains fire compartmentation in cavity walls
• Suitable for new build and refurbishment projects
• Lightweight and easy to handle
• Helps reduce air movement and heat loss
• Durable, rot‑proof construction
• Designed for consistent compression fit

