ARBOFLEX PU is a single-component, pure polyurethane-based liquid waterproofing system. It is designed for durability and ease of use. Once applied and cured, it forms a seamless, elastic membrane that is both airtight and waterproof. This popular product has a life expectancy of 25 years.
Aroblex is generally one of the main products we recommend to our customers. It is a cost effective solution in comparison to more expensive products on the market. This includes some of the more popular liquid solutions such as Kemperol for example.

Ideal Solution For All Surfaces & Roof Repairs
It’s a versatile solution suitable for a variety of surfaces. These include flat and low-pitched roofs, balconies, swimming pools and flooring. The product can be applied directly over most substrates. These include felt, metal, cement, concrete, and even asbestos. It adapts well to uneven, curved, or irregular surfaces without requiring surface reinforcement. Arboflex is also a great solution for fixing leaky roofs for a quick repair.
You can use it straight out of the tin with a brush or roller. This makes installation straightforward and cost-effective. It becomes water-resistant almost immediately upon application and is maintenance-free once fully cured. It´´s also very easy to clean whatever surface you apply this solution to. It´s important to make sure your surface has the proper preparation before install. This is especially true for roof installations to get the maximum life from the product.
Arboflex is also BBA-certified, ensuring long-term reliability. It can withstand extreme temperatures rangine between -40°C to +80°C.
How Much Does Arboflex Cost Per Square Metre?
Coverage typically ranges from 1.5 to 1.8 kg/m², so a 20kg tin covers approximately 10-13 m². This depends on the surface condition and application technique. The material price of Arboflex usually works out between £35-£40 per square metre.
Q & A
How long does an Arboflex liquid waterproofing system last? The manufacturer guarantees the product will have a life expectancy of 25 years.
What types of substrates can Arboflex be applied to? Most substrates including metal, lead, concrete, cememt and felt.
What is the application method? The usual methods are application straight from the tin using a roller or brush.
How much does Arboflex cost per square metre? Generally £35-£40 per square metre for materials. The installer will add their labour fees on top.