What is the difference between slab and slab-on-grade?

• <div><p>There’s no difference between a “slab foundation” and a “slab-on-grade foundation,” and contractors and homeowners use the terms synonymously. “Slab foundation” is just a shortened version of “slab-on-grade.” In both cases, the homebuilder will pour the concrete foundation into a mold they build directly on the ground. As such, these foundations require no expensive excavation.</p></div>

Is concrete stronger than masonry?

• <div><p>Yes, concrete is significantly stronger than masonry, especially if the concrete pour includes reinforcements, like steel rebar. Concrete is a uniform material that can withstand compression, sheer force, and tensile force as long as it’s reinforced. Masonry involves the use of mortar or grout to connect individual building materials, like brick, stone, or tile. Mortar and grout are also reasonably strong and resist compression well, but they don’t come close to the strength of poured concrete.</p></div>

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Q: Can I just use cement on its own?

• <div><p>No, cement cannot be used on its own except for rare circumstances, as it's only a binder to form other products, such as concrete or mortar. Follow the manufacturer's instructions to create a concrete or mortar mix. Concrete, for instance, needs cement, water, and aggregates such as sand and gravel. Using the right amount of water and water temperature is essential to ensure you have the right <a href="https://www.angi.com/articles/concrete-slump.htm">concrete slump</a> and the mix spreads easily and cures well. </p></div>

Q: What is the difference between slab and slab-on-grade?

• <div><p>There&rsquo;s no difference between a &ldquo;slab foundation&rdquo; and a &ldquo;slab-on-grade foundation,&rdquo; and contractors and homeowners use the terms synonymously. &ldquo;Slab foundation&rdquo; is just a shortened version of &ldquo;slab-on-grade.&rdquo; In both cases, the homebuilder will pour the concrete foundation into a mold they build directly on the ground. As such, these foundations require no expensive excavation.</p></div>

Q: How do I find a reputable cement driveway contractor?

• <div><p>It&rsquo;s important to protect your investment in your project by hiring a reputable contractor. First, make sure they&rsquo;re insured and with a licensed company. Get referrals by asking friends and neighbors who were happy with their finished products. </p><p>While you may initially think it&rsquo;s more affordable to use an independent contractor or friend of a friend, you might benefit in the long run from working with an experienced contractor who can take the job entirely off your hands. <a href="https://www.angi.com/articles/how-hire-concrete-driveway-contractor.htm">Hiring a concrete driveway contractor</a> takes a bit of up-front research.</p></div>

Q: Does exposed aggregate concrete need to be sealed?

• <div><p>Yes, you should seal your exposed aggregate concrete to keep it protected from the elements and reduce the risk of cracking and concrete spalling. You&rsquo;ll need to invest in the <a href="https://www.angi.com/articles/how-much-does-concrete-sealing-cost.htm">cost of resealing your concrete</a> about every three years to keep it in good condition. Unsealed exposed aggregate concrete is susceptible to water damage, stains, chips, cracks, and abrasion. Sealers are available in various finishes and levels of gloss. Outdoor exposed aggregate concrete should be sealed with a non-yellowing, UV-resistant sealer to preserve the look of the finish. </p></div>