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Outdoor tiling

Terrace and outdoor tiling

Ground-level terrace, balcony, path or steps: we help you choose a frost-resistant, slip-resistant covering, then the installation method that suits your substrate, for an outdoor floor that comes through the winters without lifting.

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Outdoor terrace in stone-effect tiles extending from the house

At a glance

Terrace tiling in a nutshell

Terrace tiling means covering an outdoor floor (terrace, balcony, path, steps) with tiles or pavers that withstand frost and stay slip resistant in the rain. They are bonded to a sloping concrete slab, laid on pedestals over a waterproofing layer or bedded in mortar. How well they last depends above all on drainage, void-free adhesive coverage and movement joints.

We look at the substrate, the exposure and how the space is used before choosing the material and the method, for houses as well as apartment balconies, in Paris, Évreux and the surrounding areas.

  • Frost-resistant, slip-resistant porcelain, usually R11
  • Drainage falls checked before any tiling
  • Bonded, mortar-bed or pedestal installation to suit the substrate
  • Steps, thresholds and edges finished with dedicated pieces

Materials

The outdoor materials we install

Outdoors, a floor covering has to cope with frost, rain, sun and wide temperature swings. The tile matters, but everything underneath it matters just as much.

  • Frost-resistant porcelain

    The standard choice for bonded installation: its very low water absorption (0.5% at most for porcelain) and the frost resistance declared by the manufacturer protect it from freezing. We choose a textured surface with a suitable slip rating.

  • 20 mm porcelain pavers

    Thick and rigid, they can be laid on adjustable pedestals, on a compacted gravel bed or bonded. Laid dry, they need no adhesive or cement grout: water runs through the gaps and drains away across the surface below.

  • Outdoor natural stone

    Flamed granite, hard limestone, slate or travertine: chosen from grades whose frost resistance is confirmed by the supplier, in a non-polished finish. More porous than porcelain, stone is usually protected with an impregnating sealer.

  • Outdoor adhesives and grouts

    An improved cement-based adhesive (class C2), usually deformable (S1), and a grout rated for outdoor use: these products are designed to cope with freeze-thaw cycles and the expansion of the tiles in the sun.

  • Waterproofing and uncoupling

    On a balcony or loggia, a liquid waterproofing system (SEL) under the tiles, applied within the scope of its Avis Technique (French technical approval), protects the structure. On a cracked substrate, an outdoor-rated uncoupling mat limits how much movement reaches the tiles.

  • Finishing pieces

    Stair nosings, outdoor skirting, edge trims with a drip and threshold channel drains: these pieces protect the edges, lead water away from the walls and give steps and terrace edges a finished look.

Our method

How we build a terrace that lasts

A long-lasting terrace starts with water that drains away and tiles that are free to expand without lifting.

  1. Site visit and measurements

    We measure the existing falls and note which way the water runs, the height available under the patio door sill, the joints in the slab, any inspection chambers and whether there is a room beneath the terrace.

  2. Choosing the method

    Bonded tiles on a sound concrete slab, 20 mm pavers on pedestals over waterproofing or stabilised ground, or a mortar bed for a path or an uneven base: we explain why we recommend one rather than another.

  3. Preparing the substrate and the falls

    Slab repairs and cleaning, a sloping screed if the existing surface is flat or falls the wrong way, and waterproofing where it is needed. The fall, around 1.5 to 2%, is built into the substrate and never into the adhesive bed.

  4. Planning the details

    We mark out the movement joints, carry the slab’s expansion joints through the tiling, and plan the cuts around inspection chambers, the starting line at the threshold and the setting out of the steps before mixing any adhesive.

  5. Laying with the weather in mind

    We tile in dry weather with no frost forecast, within the temperature range stated for the products (often about 5 to 30 °C). Tiles are back-buttered so that no void is left for water to freeze in; pavers on pedestals are adjusted one by one.

  6. Joints, finishes and handover

    Outdoor grout, movement joints and a perimeter joint filled with a suitable sealant, then stair nosings, skirting and edge trims. The surface is protected from rain while it cures; at handover we check the drainage with you.

A terrace or balcony to tile?

Send us a few photos of the surface, its dimensions and the height under the patio door: we will arrange a visit and a free quote.

Request a free quote

Tools

Our tools

Equipment chosen for setting falls, cutting thick pavers and working outdoors.

  • Rotary laser level and straightedge to set falls and check flatness
  • Digital level to read the fall as a percentage
  • Large-notch trowels for back-buttering
  • Electric paddle mixer for consistent adhesives and grouts
  • Bridge wet saw to cut 20 mm pavers
  • Angle grinder with diamond discs for cuts around chambers and steps
  • Suction lifters to handle pavers without chipping the edges
  • Adjustment key and slope correctors for pedestals
  • Surface thermometer to check the substrate before laying

Good practice

Standards and good practice

Outdoors, the requirements go further than indoors: we follow the trade’s reference documents and the manufacturers’ recommendations.

NF DTU 52.2
The French standard for bonded tiling also covers outdoor floors: frost-resistant tiles where the surface is exposed to frost, a sloping substrate, suitable adhesives, movement joints and perimeter joints.
NF DTU 52.1
The French reference standard for laying on a mortar bed, a traditional technique suited to paths, thick paving and uneven bases.
R slip rating
Measured shod on an inclined ramp under the German standard DIN 51130, it ranges from R9 to R13. For a terrace exposed to rain, R11 is the usual benchmark; classes A, B and C apply to barefoot areas.
Frost resistance
It is checked with a standard test (NF EN ISO 10545-12) and shown in the manufacturer’s documentation. A tile that is not frost resistant may flake or crack outdoors, however carefully it is laid.
Waterproofing under tiles
Tiles and grout are not waterproof. When there is a room below, waterproofing calls for a system with an Avis Technique or, on a roof terrace, a specialist waterproofing contractor; the covering is then chosen to match.

Trade terms

See the full tiling glossary

Your questions

Frequently asked questions

Bonded tiles or pavers on pedestals: which should you choose?

Bonded tiling suits a sound concrete slab that already has a fall: it gives a rigid, continuous floor with filled joints. Pavers 20 mm thick on pedestals are the better option over waterproofing, on an uneven base or when you want to keep access to pipes and cables: the joints stay open and water drains underneath. They do need a few centimetres of height below the door sill.

What fall does a tiled terrace need?

Allow around 1.5 to 2% as a rule, which is 1.5 to 2 cm per metre, running away from the house. A shallower fall leaves puddles that freeze in winter and encourage moss. The fall is built into the slab or a screed, never by adding more adhesive. With pavers on pedestals, it is the surface under the pedestals that carries the fall.

Can an apartment balcony be tiled?

Yes, under certain conditions. In a French co-ownership building, the balcony is often a common part reserved for your private use: check the building rules and get the necessary approval before work starts. We then check the fall, the drainage, the height under the patio door and the added weight. Depending on the layout, waterproofing goes under the tiles, and the edge gets a trim that keeps water off the facade.

Can outdoor tiles be laid in winter?

Yes, when the weather allows. Adhesives and grouts are used within a temperature range set by the manufacturer, often about 5 to 30 °C, on a dry, unfrozen substrate, with no rain or frost forecast while they set. In winter we wait for suitable days; in summer we avoid full sun, which dries the adhesive too quickly.

Why do terrace tiles come loose?

Usually one of these causes is involved: tiles that are not frost resistant, incomplete adhesive coverage leaving voids where water freezes, too little fall, an adhesive not suited to outdoor use, or missing movement and perimeter joints. With nowhere to go, the covering eventually lifts as temperatures change. On a renovation, we find the cause before re-laying, or the problem comes back.

Do terrace tiles need a protective treatment?

Porcelain needs no treatment: sweeping and rinsing with clean water is usually enough, with a suitable cleaner for grease stains. Cement grout can be given a water-repellent treatment so it stains less, and natural stone is protected with an impregnating sealer. Avoid using a pressure washer too close to the joints: over time it hollows them out.

Our other services

  • Large-format tiles

    Tiles of 60 × 60 cm and above, laid on a strictly flat substrate, back-buttered and aligned with a levelling system.

  • Marble and natural stone

    Marble, granite, travertine, limestone and slate, laid with a suitable adhesive and fine joints, then protected with an impregnating sealer.

  • AI-edited image

    Screed and levelling

    Traditional or flowing screed and self-levelling compound: a flat, sound and dry substrate, checked before the floor covering is laid.

  • Floor and wall tiling

    Indoor floors and walls in porcelain, ceramic wall tiles or mosaic, laid on a prepared substrate with even grout lines.

Further reading