Grean Boss 4 Litre

How do I protect my roof tiles from damage?

Roof tiles stay in the best condition when they’re kept free from moss, algae and debris, as these hold moisture and gradually weaken the surface. Treating the roof with a suitable moss-prevention solution helps slow down growth before it becomes established. Combine this with good gutter maintenance and periodic inspections to protect the tiles long-term.

What’s the best way to stop my roof from deteriorating?

The most effective way to slow roof deterioration is to prevent moss and algae from taking hold, as they increase moisture retention and encourage tile erosion. Regular maintenance, clear gutters and a roof-safe preventative treatment all help preserve the tiles. Keeping the roof clean also makes it easier to spot early signs of damage.

How to prolong the life of a roof?

You can prolong the life of a roof by managing moss, algae and debris, which trap moisture and accelerate wear. A preventative treatment helps keep the surface clear between cleanings, reducing the strain on both tiles and underlay. Combine this with good ventilation, working gutters and occasional professional checks to maintain long-term roof health.

What’s the best way to remove green algae from roof tiles?

Green algae can be removed using a roof-safe cleaning solution designed to break down organic growth gently without damaging tiles. Apply the cleaner, allow it to work and rinse carefully if required. Harsh chemicals or high-pressure washing can weaken tiles, so a dedicated roof treatment provides a far safer and more controlled approach.

How often should a roof be treated to keep it clean?

Most roofs benefit from a treatment every two to three years, depending on their exposure to shade, moisture and surrounding vegetation. Preventative products help slow the return of moss and algae, meaning the roof stays cleaner for longer. Regular monitoring between treatments ensures any new growth is addressed before it becomes deeply rooted.

Does regular roof cleaning help extend the life of a roof?

Yes. Regular roof cleaning reduces the build-up of moss, algae and dirt, which hold moisture and gradually weaken the tiles. Keeping the surface clear prevents premature erosion and helps the roof shed water effectively. When paired with a preventative roof treatment, routine cleaning can significantly extend the lifespan of both tile and under structure.

Does roof cleaning work on flat roofs?

Roof cleaning can be effective on flat roofs, provided the correct product is used and the surface is treated gently. Moss and algae still develop on flat roofs, but high-pressure washing should be avoided due to waterproofing risks. A roof-safe cleaning solution is a safer way to remove growth without compromising the membrane or structure.

Can I use roof cleaning products on patios?

Most roof cleaners aren’t formulated for patios and may not perform well on paving, as roof materials and stone surfaces respond differently to chemicals. It’s safer to use a cleaner designed specifically for patios, especially when dealing with stubborn stains or organic staining. Surface-specific products ensure both better results and long-term protection.

Why are my roof tiles lifting and how can I stop it?

Roof tiles often lift due to trapped moisture, underlying moss growth or failed fixings. Moss expands when wet and can gradually push tiles upward. Removing organic buildup and keeping the roof treated helps prevent this pressure. If tiles continue lifting, it may indicate loose nails or clips, which should be checked by a professional.

Is it safe to use roof cleaners on clay tiles?

Yes, as long as the cleaner is specifically formulated for roof materials and safe for clay tiles. Clay can be vulnerable to harsh chemicals and high-pressure washing, so choosing a gentle, roof-appropriate treatment is essential. A suitable product removes moss and algae effectively without stripping the surface or causing long-term weakening.