Dr. Fixit LW+
Integral waterproofing compound
Dr. Fixit LW+ is an integral waterproofing compound added to concrete, plaster and mortar at the mixing stage. Rather than forming a barrier on the surface, it reduces the permeability of the mix itself, so the material resists water from the day it is placed.
| Brand | Dr. Fixit |
|---|---|
| Product type | Integral waterproofing compound |
| Chemistry | Modified aqueous chemical |
| Supplied as | Liquid |
| Substrates | Concrete, Plaster, Mortar |
| Applications | Concrete, Walls, Basement |
| Pack size & coverage | Per the manufacturer’s current data sheet — ask us for the TDS |
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Product description
Leakproofs by Betterwork specifies and applies Dr. Fixit LW+ as part of a complete waterproofing system. A material on its own does not stop a leak — what stops it is the right material chosen for the right defect, on a surface that has been properly prepared. That is why we deep-scan before we specify.
Where Dr. Fixit LW+ is used
This product is specified for concrete, walls, basement.
- RCC slabs, columns and beams during construction
- External plaster on elevations exposed to driven rain
- Bedding mortar in brickwork and blockwork
- Screeds laid on terraces before a coating system goes on
- Repair concrete placed against an area with a known water problem
Suitable substrates: Concrete, Plaster, Mortar.
How it is applied
Added to the gauging water and mixed thoroughly before the mix is placed. Dosage is by cement weight and is set by the current data sheet — under-dosing gives no benefit and over-dosing affects the set, so it is measured rather than estimated on site.
Preparation is the part that decides whether the system lasts. Loose material and failed old coatings are removed, cracks are cut and filled, and the surface is cleaned and brought to the moisture condition the product requires before anything is applied. Skipping that stage is the single most common reason waterproofing fails in its first season, whichever brand is on the tin.
Key properties
- Reduces permeability of concrete, plaster and mortar
- Cannot be omitted later by anyone finishing the surface
- Improves workability of the mix
- Compatible with ordinary Portland cement mixes
- Does not replace surface waterproofing — the two work together
Technical data
Pack sizes, coverage, cure times, colours and current pricing for Dr. Fixit LW+ are taken from the manufacturer’s current technical data sheet.
Formulations, pack sizes and regional availability change, so we quote against the data sheet in force on the day rather than a figure copied from a website. Ask us for the current TDS and SDS for this product and we will send them with your estimate.
Related waterproofing services
We apply Dr. Fixit LW+ as part of the following services:
Free inspection & written estimate
Get Dr. Fixit LW+ specified for your building
Book a free deep-scan inspection. We identify what is actually causing the leak, then recommend the material system that fits — with a fixed written estimate before any work begins.
Dr. Fixit and its product names are trademarks of their respective owner. Leakproofs by Betterwork is an authorized Dr. Fixit applicator. Product information on this page is provided to help you choose a system; always refer to the manufacturer’s current technical data sheet before use.
You may also need
Alternatives to Dr. Fixit LW+, and the products most often specified alongside it on the same job.
Dr. Fixit
Dr. Fixit Fastflex
Flexible cementitious coating
View product →
Explore related services and areas
Our services
- Terrace Waterproofing
- Roof Waterproofing
- Bathroom Waterproofing
- Wall Waterproofing
- Basement Waterproofing
- Water Tank Waterproofing
- Balcony Waterproofing
- Swimming Pool Waterproofing
Specialist treatments
- Terrace Waterproofing
- Bathroom & Toilet Waterproofing
- Basement & Underground Tank Waterproofing
- External & Internal Wall Leakage Treatment
- PU & Epoxy Coating Waterproofing
- Injection Grouting (Pressure / Chemical)
- Dampness & Seepage Treatment
- Monsoon Pre-Inspection & Leakage Detection