Frequently Asked Questions
Before you contact us with your query, you may want to browse through our Frequently Asked Questions. They're divided into categories to help you find what you need. You can also search for a word or phrase that you are looking for information on.
Roofing
Need to know about tiles, fixings, ventilation and suchlike? Find your answers here.
- Can I install a Velux window with Forticrete Roof Tiles?
- Can your tiles be used for vertical tiling?
- Do I need to ventilate my roof if I am using a breathable underlay?
- How is the Gemini tile clip fitted?
- How many clips are in a bag?
- How many tiles are on a pallet?
- How many tiles are required for my roof?
- How much ventilation do I need for my roof?
- How should I fix the tiles on my roof?
- I have a roof pitch that is below the minimum recommended pitch for your tile. Is there anything that can be done?
- I have been told I can hang Hardrow slates. What is hanging and can it be done?
- I have old tiles on my roof which have Anchor written on the back. Can Forticrete tiles be used for repairs?
- I want to lay Centurion tiles on a roof pitch between 10° - 12.5° are there any restrictions?
- There is a radius in my roof. Which of Forticrete's tiles can be used?
- What angle of Hardrow Ridge is suitable for my Roof pitch?
- What batten spacing should I be using for my tile?
- What colours is the Centurion/Senator available in?
- What colours is the Gemini roof tile available in?
- What distance does my first batten need to be up the roof?
- What distance does my last batten need to be from the top of the roof?
- What height does my fascia need to be above the truss end?
- What quantity of batten do I need when using Hardrow slates?
- What size of nails do I need for fixing my tiles?
- What size of tiling batten should I use?
- When are ¾ tiles used?
- Which lead detail should I use at side abutments?
- Why are my Valley slates not lying flat causing the tiles to lift on either side?
- Why do I have more RH ¾ tiles than LH ¾ tiles?
