How long does a Collyweston roof last?

Many Collyweston roofs have been in place for at least 100 years and some may have remained undisturbed since the 17th century, proving beyond doubt that traditional details really do work. Nevertheless, there will come a time when even the best roofs reach the end of their life and need to be reroofed.

How much does it cost to repair a slate roof?

The average cost to repair a slate roof is about $1,563, with a range between $705 and $2,484. Small repairs like replacing individual shingles may cost as little as $250, but restoring a major portion can cost up to $5,000. A new slate roof costs over $10,000 to install, so even major repairs are usually worthwhile.

How much does it cost to remove a slate roof?

Cost to Replace a Slate Roof In addition to the $10 to $30 per square foot to install a new roof, you’ll pay $2 to $5 per square foot to tear off the old roof.

Is it worth repairing a slate roof?

Hard slate can last 75 to 200 years, while soft slate only lasts 50 to 125 years. If you have a soft slate roof that is showing its age, it may not be worth making any major repairs. The roof has 25 years left on it at best, so it’s unlikely you will see a return on your investment.

How does heritage roofing services use Collyweston slate roofs?

Heritage Roofing Services use traditional methods for Collyweston Stone Slate roofing. Existing Collyweston roofs are hand stripped by skilled Collyweston Slaters, before each slate is individually dressed by hand and re-holed ready to be used again. Collyweston Stone Slate roofs are laid in diminishing courses, sized by hand, on a lime mortar mix.

Where do they use Collyweston stone for roofing?

In 2012, when new slates were needed to reroof parts of Apethorpe Palace, further testing was commissioned by English Heritage to develop the artificial frosting and new Collyweston slates have been produced. New slates have been used to repair the roofs of Ufford Church in Cambridgeshire and High Wycombe Guildhall.

Where does Collyweston stone slates come from?

The slates are quarried near the village of Collyweston in Northamptonshire, near Stamford and close to the borders of Lincolnshire and Rutland. Traditionally the mined stone was left outside for three winters until the frost revealed layers that could be broken (“clived”) into flat slates.

What kind of slate is used for slate roofs?

Collyweston Stone Slate roofs are laid in diminishing courses, sized by hand, on a lime mortar mix. We source the highest quality reclaimed Collyweston slate. Ensuring we always have a stock of reclaimed Collyweston slate ready to use.