---
product_id: 48422484
title: "HPRS25L 2.5L Thompsons High Performance Roof Seal - Black"
brand: "ronseal"
price: "₨36971"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/48422484-hprs25l-2-5l-thompsons-high-performance-roof-seal-black
store_origin: LK
region: Sri Lanka
---

# Vapour permeable membrane UV-resistant iron oxide shield 10-year flexible protection HPRS25L 2.5L Thompsons High Performance Roof Seal - Black

**Brand:** ronseal
**Price:** ₨36971
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with 10 years of unstoppable roof protection!

## Quick Answers

- **What is this?** HPRS25L 2.5L Thompsons High Performance Roof Seal - Black by ronseal
- **How much does it cost?** ₨36971 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/48422484-hprs25l-2-5l-thompsons-high-performance-roof-seal-black)

## Best For

- ronseal enthusiasts

## Why This Product

- Trusted ronseal brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breathable Seal:** Allows trapped moisture to escape, protecting your roof from internal damage and prolonging lifespan.
- • **UV Armor Technology:** Iron oxide pigments create a robust barrier against harsh UV rays, maintaining performance under extreme weather.
- • **Decade-Long Durability:** Engineered to flex with roof movement, preventing cracks and splits for 10 years.
- • **Effortless Application:** Advanced formula applies smoothly on dry surfaces, forming a resilient, flexible membrane.
- • **Resealable Convenience:** Comes in a 2.5L tin with a resealable lid for easy storage and multiple uses.

## Overview

The Thompsons HPRS25L 2.5L High Performance Roof Seal in black is a premium elastomeric coating designed to protect and repair roofs with a flexible, UV-resistant membrane. Its 10-year formulation flexes with natural roof movements to prevent cracking, while iron oxide pigments shield against UV damage. The breathable, vapour permeable seal ensures trapped moisture escapes, extending roof life. Packaged in a resealable 2.5L tin, it offers professional-grade weatherproofing for a decade.

## Description

HPRS25L 2.5L Thompsons High Performance Roof Seal - Black

## Features

- The Thompsons RSLHPRS25L Roof Seal Black comes in the following:
- The 10 year formulation is designed to flex with the natural movement of the roof protecting the membrane from cracking and splitting over time
- UV light stable iron oxide pigments provide a protective shield against harmful UV radiation ensuring 10 year weatherproofing performance under extreme conditions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Ronseal |
| Part Number | RSLHPRS25L |
| Product Dimensions | 16.3 x 16 x 16.5 cm; 1.7 kg |
| Item model number | RSLHPRS25L |
| Size | 2.5L |
| Colour | Black |
| Material | Iron Oxide |
| Shape | Round |
| Voltage | 100 Volts |
| Wattage | 6 watts |
| Item Package Quantity | 1 |
| Included Components | Mounting Hardware, User Manual |
| Batteries included? | No |
| Batteries Required? | No |
| Battery description | Not Included |
| Item Weight | 1.7 kg |

## Images

![HPRS25L 2.5L Thompsons High Performance Roof Seal - Black - Image 1](https://m.media-amazon.com/images/I/61MxsaQ2A+L.jpg)

## Questions & Answers

**Q: what area will 1ltre cover**
A: A 2.5l can wil cover 2.5sq meters of felt painted twice. Hope that helps

**Q: Still wet after 20 hours?? Anyone else experience this?**
A: Depends on temp. but should be dry within 20 hrs. However if it waservice for proper advice.s applied to a moist surface perhaps this affects the drying cycle, suggest you contact manufacturer

**Q: can it be used over lead flashing?**
A: I'm not sure but if you can use it over roofing felt I would guess that you could

**Q: can it be applied to felt that was torn in a gale**
A: Yes, it can as long as you manage to flatten it down again

## Frequently Bought Together

- HPRS25L 2.5L Thompsons High Performance Roof Seal - Black
- Faithfull Tar Brush Short Handle FAIBRTARSH

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**Shop now:** [https://www.desertcart.lk/products/48422484-hprs25l-2-5l-thompsons-high-performance-roof-seal-black](https://www.desertcart.lk/products/48422484-hprs25l-2-5l-thompsons-high-performance-roof-seal-black)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-25*