Patios are residential options which have defied altering constructing tendencies. They’re an ideal addition to any outside residing house, a spot to take in the solar, entertain visitors, and benefit from the morning espresso or the Sunday barbeque. They’re simple to put in, with hardwearing supplies like brick, stone or concrete offering a long-lasting residence function that’s on the identical time brimming with model, simple to keep up, sturdy and versatile.
Concrete patios have exploded in recognition over the previous couple of years, owing to their low value, and the number of finishes and appears that enhance curb attraction. This may be stamped or stencilled concrete to imitate the look of stone and brick, uncovered combination for a contemporary look and added climate resistance, or a wide range of finishes that ship a easy or textured, non-slip floor. To keep up appearances and preserve the concrete protected, all patio types can profit from periodic sealing. That is the place a concrete patio sealer is available in.
What Is a Concrete Sealer and Why Seal Your Patio?
Concrete sealers are water or solvent-base liquid options that strengthen and defend concrete surfaces. Water is concrete’s worst enemy, steadily consuming away on the materials from the within. On the identical time, grime, grime, salt and different contaminants trigger staining and support water and moisture to create cracks, crumbling and eyesores no one needs. On this respect, sealers are vital for all concrete surfaces, be these driveways, storage flooring or patios. They work both by coating the floor or penetrating deeper down and binding with the substrate. Each sorts block dangerous exterior parts and scale back harm sustained by means of years of influence, abrasions and aggressive vegetation.
Lastly, utilized appropriately, and within the acceptable thickness, a concrete patio sealer additional provides visible attraction. Your patio can stain or fade as a result of stress cleansing, unintentional spills, collected mud, use of backyard chemical substances or lengthy publicity to piercing daylight. Sealers not solely present a further layer of safety but in addition assist convey out extra color and sheen, and with varied components, retain the look you’d count on out of your patio for longer, even underneath heavy use and abuse.
Selecting the Proper Sort
There are a whole lot of patio sealers to go along with each kind of concrete end there’s. After all, some sealers work greatest with particular finishes, reminiscent of stamped concrete or uncovered combination, however might in any other case damage the look of ornamental concrete if you happen to select mistaken. First, let’s see the primary sorts and the place they’re used that will help you together with your shopping for choices.
As talked about, sealers both type a protecting floor coating or go deeper and bond with the concrete. The primary kind is called topical, and the second is penetrating sealers. Not solely do these two classes differ in worth, the quantity of sealant that’s required, or the general appears, however in addition they differ in how lengthy they final and the extent of safety they supply on your patio.
Penetrating sealers type a everlasting bond with the concrete by penetrating pores and capillaries. This fashion they forestall water and dirt ingress, concrete staining from water-borne contaminants in addition to floor and structural cracks, pits and fissures. The sealer affords extra sturdiness in a patio that’s seen superior put on. They usually last more, as much as 10 years when utilized appropriately. Most sorts are general-purpose and non-colouring, however you could find penetrating sealers with added tints to reinforce the color of the concrete substrate, in addition to sealers with stain repellents in patios used for eating and entertaining.
Main penetrating sealers embody silicates, silanes, siloxanes and silicones. Silicates (sodium, potassium and lithium) are all good for strengthening the concrete, and don’t go away a residue. The draw back is that they’re not 100 per cent waterproof, so not perfect for outside use. Silanes are water-based sealers, work wonders each in and open air, penetrate deep into the concrete, and supply prolonged safety. Siloxanes are water-based and waterproof penetrating sealers, perfect for concrete with extra evident harm. They could, nevertheless, wrestle towards abrasions or put on in greater foot visitors. Lastly, go along with a water-based silicone sealer if you happen to’re nervous about yellowing concrete. They’re good for repelling water, oils, grime and different contaminants.
Topical sealers act as a protecting coating that shields the floor. Whereas sturdy, they’re extra uncovered to the weather, in order that they sometimes final a number of years earlier than one other layer is required. The place they rating factors is their cheaper price when in comparison with penetrating sorts, the power to reinforce the color of the patio floor (typically with a gloss end), and a variety of both water or solvent-based sealers to go well with totally different patio and concrete sorts. And since they don’t penetrate the concrete, they’re a lot simpler and faster to make use of. Acrylics, polyurethane and epoxy sealers are the primary sorts.
Acrylic concrete patio sealers are the favored alternative for stamped concrete, uncovered combination and stencilled concrete patios. They’re cheap, simple to use, resist water, mud and different particles, however nonetheless breathable, and might convey both a gloss or matte end. There are two primary sorts. Water-based acrylic sealer is the extra sturdy possibility, is safer to work with as a result of decrease unstable substance content material, and customarily leaves a much less enhanced satin look. Solvent-based sealers convey out extra of the color in your patio, so an excellent ornamental alternative. Simply guarantee to put on the appropriate PPE gear as a result of extra poisonous substances.
Polyurethane sealers, like their acrylic cousins, come as water or solvent-based however are usually thicker, extra sturdy, and extra pricey. They’re typically used as a prime coat over the acrylic layer since they’re extra immune to influence and abrasions. Whereas clear, polyurethane sealers do an ideal job of bringing out the color of each stamped concrete and uncovered combination. One other factor going for them is their lengthy lifespan, roughly 5 years.
Lastly, epoxies provide the most effective safety of any topical sealer, the very best water repellence, and the most effective resistance to abrasions. Moreover, they enhance security by being an ideal non-slip possibility, particularly for patios with a trowel end. One of many downsides although is the upper worth, as much as 3 instances greater than high-quality acrylic variants, As well as, they will wrestle in direct daylight and UV rays particularly, resulting in yellowing, so not perfect for outside use except mixed with a UV-resistant prime coat. Each polyurethanes and epoxies are what to decide on if you happen to’re after a moist, gloss look. And all, together with acrylics, may be tinted for the color you need.
Water or Solvent-based? Which One Ought to You Use?
Water-based sealers are perfect for typical Australian situations, as they can be utilized in hotter, humid and wetter areas, and are non-hazardous and non-toxic whereas nonetheless being cost-effective in bringing out the most effective in various kinds of concrete patios. With that mentioned, solvent-based polyurethanes and epoxies are extra sturdy, go away a thicker and deeper coating and final twice so long as comparable water-based acrylics.
How and When Ought to I Reseal My Patio?
Most concrete sealers may be utilized with easy instruments like paint rollers and pump sprayers. The overall steps embody clearing all particles, hosing down the patio and letting it dry for a minimum of 24 hours. Subsequent, take away any floor remnants with a chemical stripper and degreaser. Lastly, apply a skinny first coat and let it treatment. This may be repeated with a second coat, making certain there’s no effervescent or wrinkling. Let this treatment, dampen and permit the sealant to accept a few days.
Acrylics may be utilized even on new non-cured concrete offered they’ve curing brokers, whereas epoxies, urethanes and penetrating sealers are utilized a minimum of a month after curing to permit the concrete to settle, and the sealer to do its factor.
Sealants can be utilized virtually year-round in Australia, however work greatest when added in dry climate and temperatures between 10 and 30 levels. Acrylics dry inside an hour, polyurethanes in 3, whereas epoxies treatment inside 2 days. For current patios, contemplate including sealer between 1 and three years, Each patio is totally different, however if you happen to discover cracks, scratches, the concrete gulping water, or yellowing and put on, time for a reseal.