Concrete Pouring in Tempe, AZ

Concrete work is affected by weather, particularly extreme heat and monsoon rain. Pours are typically scheduled early in the day during summer, and heavy rain soon after placement can damage the surface. Flexible scheduling helps ensure the best possible result.

Five patterns dominate. Mortar deterioration along south and west elevations from UV and thermal cycling. Step cracking through brick courses from foundation settlement on expansive soils. Brick spalling from moisture entering cracked joints. Efflorescence from sulfate-rich groundwater wicking through CMU site walls. And on 1920s–1960s downtown Phoenix and Mesa brick, hard Portland-cement patches done in the 80s–90s now causing the softer original brick to spall around the patches. Each pattern needs a different repair — we don't apply a universal fix.

Steel reinforcing bar, wire mesh and fibres can be added to concrete to improve its performance. Reinforcement helps hold cracks together and increases resistance to loads, which is particularly important for driveways and slabs that support vehicles. The right reinforcement depends on the slab's purpose and thickness.

Concrete surfaces can be finished in many ways. A broom finish provides traction and is common for driveways and walkways. Exposed aggregate reveals decorative stones within the concrete. Stamped concrete imitates stone, brick or tile. Finish selection affects appearance, slip resistance and maintenance.

Mortar joints deteriorate over time, becoming cracked, crumbly or recessed. Repointing removes deteriorated mortar to a consistent depth and replaces it with fresh mortar, restoring the joint's strength and weather resistance. The new mortar should be compatible with the existing masonry, and matching colour and joint profile helps the repair blend in.

Natural and manufactured stone veneer is popular on Arizona homes for accent walls, columns and fireplaces. Veneer can loosen, crack or allow water behind it if it was installed without proper drainage and flashing. Repairs may involve resetting loose stones, replacing damaged pieces and correcting installation details to prevent water intrusion.

Concrete should slope to direct water away from the house and avoid pooling. Patios and walkways that slope toward the foundation can send water against the home during storms. Planning drainage carefully protects both the concrete and the structure.

Concrete masonry unit walls, usually called block walls, surround the yards of a huge number of Arizona homes and form the exterior walls of many buildings. They are durable, but they are not maintenance-free. Over time they can crack, lean, develop failing mortar joints or lose their protective coating. Because they often serve as property boundaries and pool barriers, keeping them sound matters for safety, security and compliance as well as appearance.

Slab thickness depends on its use. Walkways and patios carry relatively light loads, while driveways and RV pads must support vehicles and require thicker concrete and appropriate reinforcement. Using the correct thickness prevents premature cracking and failure.

Concrete continues to gain strength for weeks after it is placed, but only if it retains enough moisture to cure properly. Keeping the surface moist, using curing compounds or covering the slab helps prevent premature drying. Proper curing reduces cracking and improves strength and durability, which is especially important in Arizona's dry climate.

Three failure modes dominate. Plastic shrinkage cracking from hot-weather flash-curing — surface cracks visible within hours of placement, prevented by retarders, evaporation reducers, and proper curing. Random cracking from missing or late control joints — saw-cut joints must be placed within 8–12 hours and at 24× slab thickness (so 8 feet OC on a 4" slab). And heaving on expansive clay soils in north Scottsdale and Cave Creek — solved with proper subgrade prep, capillary breaks, and isolation from existing structures. We design around all three; we don't react to them after the pour.

Spalling occurs when the face of a brick or block flakes, chips or breaks away. It is often caused by moisture moving through the masonry, combined with salt crystallisation or temperature changes. Repairing spalled units may involve replacing individual bricks or blocks and addressing the moisture source that caused the damage in the first place.

A concrete driveway must withstand vehicle loads, heat and occasional heavy rain. Proper subgrade preparation, adequate thickness, reinforcement, control joints and drainage away from the house all contribute to a driveway that lasts for decades.

Block walls frequently serve as pool barriers, and gaps, damage or climbable features can compromise safety. Repairs should maintain the required barrier height and integrity. Pool barrier requirements vary by jurisdiction, so any changes should be checked against local rules.