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*The Angi rating for Structural Engineering companies in Seneca, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

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Last update on November 21, 2025

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Avatar for SJW Engineering LLC
SJW Engineering LLC
4.7(
71
)

Serving Seneca, MI and surrounding areas

Approved

In business since 2010

Emergency services offered

Small jobs welcome

"Excellent service and knowledge of my structural engineering request. Just what I was looking for.!"
Response time2 days
14 neighbors recently requested a quote
Recommended by92%of homeowners
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Structural Engineering questions, answered by experts

A 4-inch-thick concrete slab can support around 4,000 pounds per square foot if a contractor reinforces the slab with rebar, while that same slab without reinforcements will support closer to 1,000 pounds. For the purposes of a patio, 4 inches in thickness without reinforcement should suffice unless you’re installing heavy kitchen equipment or a hot tub on it. In those cases, reinforcing your slab and sticking with 4 inches of thickness should provide plenty of strength.

Precast concrete can be reinforced with rebar, wire mesh, or other materials to improve its strength and add stability. Precast concrete for large construction projects is often pre-stressed as well for greater structural strength. Reinforced concrete is durable and strong, making it an ideal choice for many construction projects.

Most load-bearing walls are exterior, though they can also be interior.

According to the Earthquake Country Alliance—a public and private alliance in California that works to improve earthquake and tsunami readiness—reports that unreinforced masonry, such as stone, bricks, and hollow clay tiles, is more susceptible to earthquake damage. The mortar between bricks isn’t as stable as other building materials and methods.

A structural engineer's report provides a professional assessment of a property's structural condition. It typically includes an evaluation of the foundation, key structural elements like roof trusses, floor joists, studs, beams, and rafters. The report will also contain a detailed description of the engineer's findings, often supported by photographs, and provide recommendations to correct any identified issues. Depending on the scope of the inspection, it might also include an assessment of property drainage, potential issues from environmental conditions like extreme weather or tree placement, and an estimated time and cost for any recommended repairs.

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