Flat Roof Pebbles

Have you ever wondered why contractors install gravel on flat roofs.

Flat roof pebbles.

All three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. Basically alternating layers of the two materials were laid down in order to create a weatherproof finish. These covering materials can be used to protect the building membranes on the roof from the sun s uv rays which over time may cause structural damage and deterioration. Buy green roof pebbles from sedum supply ltd.

Prices from 5 43 for 25kg pebble bags. On many flat roof low slope commercial buildings it s common to see gravel on top of the roof. To protect the underlying layer of roofing materials as is the case with built up roofs burs. Decorative stones and gravel are versatile and hard wearing making them the ideal choice for a multitude of projects around your garden.

Flat roofs are known as being problematic with many suffering leaks. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. From driveways and footpaths to borders and beds whether you re giving your garden a design revamp or overhauling your driveway we have a wide range of decorative aggregate gravel and garden pebbles to suit every budget and project no matter the size. Gravel is used on flat roofs for two reasons.

Just like any roof a flat roof will develop leaks but since it s flat the water doesn t have anywhere to go but straight down. The purpose of gravel on a flat roof. Pros and cons for flat roof materials. The method of choice for constructing a flat roof used to be with gravel and tar.

However in my own experience the problems with leaking flat roofs are usually as a result of either poor workmanship installing the roof membrane poor maintenance by the building owner or as a result of age. Leaks and moisture probably the most common problems with flat roofs leaks and lingering moisture are issues that can be dealt with effectively as long as you stay on top of them.