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Williams & Co Paint Contractors

Learning Centre

Practical, honest guides.

Written for Cape Town homeowners and property managers. The trade secrets included, the sales pitch left out.

Waterproofing 7 min

Why most roof leaks are misdiagnosed

The stain on your ceiling is almost never under the hole. Here is how water actually travels through a roof, the seven places it really gets in, and how to tell a diagnosis from a guess.

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Waterproofing 7 min

Liquid rubber vs torch-on vs acrylic: an honest comparison

Three waterproofing systems, what each is genuinely good at, where each fails, what each costs per square metre, and how to work out which one your roof actually needs.

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Waterproofing 5 min

Emergency roof leak: what to do in the first hour

It is raining, the ceiling is bulging, and nobody can get on the roof until it stops. Here is exactly what to do tonight, what not to do, and what it should cost when somebody does come.

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Waterproofing 7 min

Rising damp or a leak? How to tell the difference yourself

Four kinds of damp look almost identical on a wall and need completely different work. Here is the test sequence we use, and why the injection damp course you have been quoted may be solving the wrong problem.

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Waterproofing 6 min

The real reason your Durbanville roof leaks again after 18 months

Waterproofing that fails in the second winter almost always fails for one of five reasons, and four of them happened before the first coat went on. Here is how to spot them in a quote.

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Asbestos 9 min

How to tell if your roof is asbestos (without touching it)

Six visual checks that tell you what you are standing under, why the age of the house matters more than the look of the sheet, and what to do next if the answer is yes.

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Asbestos 6 min

How long does an asbestos roof actually last, and do fibre-cement sheets crack over time?

Yes, fibre-cement and asbestos-cement sheets crack over time, and here is why. Most of these roofs are already past their design life and still going. What is really happening to the sheets, the three failure stages, and how to work out whether yours has ten years left or two.

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Asbestos 6 min

Asbestos roof sealing: how to fix a leaking asbestos roof without removing it

Asbestos roof sealing explained, from a Durbanville contractor. Where these roofs actually leak, why patching one spot never works, and the step by step of sealing an asbestos roof in place with liquid rubber. Costs included.

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Asbestos 5 min

Why pressure washing an asbestos roof is the worst thing you can do

It is standard practice before painting, it feels like proper preparation, and on this one material it is the single most harmful thing a contractor can do. Here is what actually happens, and what should be done instead.

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Asbestos 6 min

What South Africa's asbestos regulations actually say for a homeowner

In plain language: what is banned, what you are allowed to leave alone, when removal becomes compulsory, who needs a licence, and where the myth that every asbestos roof must come off came from.

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Asbestos 6 min

What asbestos roof coating actually costs in Cape Town (and why nobody publishes it)

The real cost bands for encapsulating an asbestos roof in Cape Town, what makes one quote double another, the five things that must be in writing, and how sealing compares against strip and replace.

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Asbestos 5 min

Asbestos roof: repair it, seal it, or replace it? A straight decision guide

Six checks that tell you which of the three routes your roof is actually on, what each one costs and disrupts, and the honest signs that sealing is no longer an option.

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Asbestos 4 min

Is it legal to paint or seal an asbestos roof in South Africa?

The short answer is yes, coating sound sheeting in place is not removal work. The long answer is the part that matters: what counts as disturbing the material, what turns a coating job into licensed removal, and the three things you must never let a contractor do to your roof.

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Asbestos 5 min

How asbestos roof encapsulation is actually done, step by step

The full sequence, from the first inspection to the guarantee document. What happens on each day, why the primer matters more than the coats, and the three details that decide whether the roof is still watertight in ten years.

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Asbestos 3 min

Selling a house with an asbestos roof in Cape Town

What an asbestos roof does to a sale, what you are obliged to disclose, how buyers and their bond applications actually react, and why a sealed roof with a paper trail sells better than a bare one with a removal quote attached.

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Asbestos 3 min

What actually releases asbestos fibres from a roof (and what does not)

Intact sheeting sitting in the sun is not the thing to worry about. Here is what genuinely puts fibre into your air, in order, and how many of the items on that list are things a contractor was about to do to your roof this week.

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Costs 6 min

What a painting quote should actually list, line by line

Two quotes, same house, R40,000 apart. The difference is almost never the paint. Here is every line a proper quote contains, and exactly what a cheap one leaves out.

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Costs 5 min

What R100,000 actually buys on a Cape Town house repaint

A real budget broken down: which house, how many square metres, how many days, how much paint, and the three versions of the same job you could buy with the same money.

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Homeowner 4 min

Twelve questions to ask any painting contractor, including us

The answers to these separate a contractor who has thought about your house from one who is guessing at a number. Ask them on the walk-around and watch what happens.

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Homeowner 3 min

What a workmanship guarantee really covers, and what it quietly does not

Most guarantees in this trade are written to sound reassuring and pay out rarely. Here is how to read one properly before you sign anything.

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Homeowner 3 min

Repaint or repair: how to tell which one your house actually needs

Paint is not a repair. Spending on the wrong one is the most expensive mistake in the trade. Six tests you can do yourself this weekend.

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Homeowner 3 min

What Cape Town weather actually does to paint on your house

Southeaster, driving winter rain, coastal salt and brutal north-west sun. Four different attacks on four different elevations of the same building, and the spec should reflect it.

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Exterior 4 min

How to choose an exterior paint system, properly

You are not buying paint, you are buying a system: preparation, primer, film build and the right product for that substrate. Get the order right and the brand almost stops mattering.

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Exterior 3 min

Choosing exterior colour for Cape light, without regretting it

The colour on the card is not the colour on your wall. Cape light is harsh, bright and reflective, and it changes everything. How to choose so you still like it in year three.

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Commercial 5 min

Body corporate and sectional title repaints: the trustee's guide

Written for trustees and managing agents who have to justify a six figure spend to owners. How to scope it, compare quotes fairly, phase it, and avoid paying twice.

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Commercial 4 min

Planning a commercial repaint programme that does not disrupt trade

For facility managers and owners: how to scope, sequence and run a repaint across an occupied building without losing days of trading or paying twice for access.

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Commercial 5 min

What an industrial building repaint costs in Cape Town, and what actually drives the number

Height, access, substrate condition and downtime move an industrial repaint price far more than paint ever does. Here is how each one works, with the Cape Town rate bands we quote against.

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Commercial 4 min

How to repaint an occupied building without losing a single trading day

Zoning, shift patterns, tenant communication and sequencing: the practical mechanics of repainting an office, retail or industrial building while people are still working in it.

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Commercial 6 min

How to paint a wine cellar properly: specification, hygiene and taint risk

Written for cellar masters and farm managers in the Durbanville valley and the wider Winelands. Why cellar coatings fail, which product families belong in a working cellar, and how to programme the work around harvest and bottling.

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Liquid Rubber 4 min

What liquid rubber actually is, and what it is not

Liquid rubber, rubber roof paint and torch-on all get sold as the same thing. They are not. Here is what a liquid rubber membrane is, how it cures, and the one number that separates a membrane from a paint.

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Liquid Rubber 4 min

How to apply liquid rubber properly, step by step

The full application sequence a professional follows: how to clean, which primer, how to handle bolts and laps, coat thicknesses, drying times, and the five mistakes that account for nearly every failure we are called out to.

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Liquid Rubber 3 min

How many coats of liquid rubber do you actually need?

Three. Here is the arithmetic behind that number, what happens at two, how to work out how many drums your roof needs, and why the coverage figure on the front of the tin is not the one to budget with.

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Liquid Rubber 3 min

Can you paint over liquid rubber, and do you need to?

Usually you do not need to, because the colour is already in the membrane. Here is when a top coat genuinely helps, what a cooling coat does, and how to recoat a liquid rubber roof years later without stripping anything.

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Liquid Rubber 3 min

Where to buy liquid rubber in Cape Town without wasting money

What to buy, in what order, at what price, and the four things people leave off the shopping list. Written by an authorised Rubber Sealant reseller in Durbanville who would rather sell you the right drums than more of them.

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Liquid Rubber 4 min

Liquid Rubber Certification in South Africa: What It Actually Means

What 'liquid rubber certification' actually means in South Africa: manufacturer documentation, approved applicator status, installation records and the conditions behind a product guarantee.

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Homeowner 2 min

Preparing your home for painters

Small things you can do before we arrive that make the work faster, tidier and less disruptive.

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Waterproofing 2 min

Flat roofs vs pitched roofs: waterproofing basics

Different roofs fail differently. Here is the practical difference between the two.

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Waterproofing 2 min

Solar panels and roof work

What happens to your solar array when your roof is being waterproofed, and who should touch it.

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