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See below for answers to our most common questions

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What is an expansion joint? Can you install it? Find answers to these questions and more below. Or reach out to the team for something more specific.

[/ohio_text][/vc_column][vc_column css_animation=”fadeIn” width=”1/4″ css=”.vc_custom_1745653335757{padding-top: 50px !important;padding-right: 50px !important;padding-bottom: 50px !important;padding-left: 50px !important;background: #353535 url(https://seismicguys.co.nz/wp-content/uploads/crosssection.png?id=226648) !important;border-radius: 10px !important;}”][ohio_icon_box box_type_layout=”top_icon” content_full=”none” box_alignment=”left” icon_type_layout=”default” icon_size=”60″ use_link=”1″ title=”Looking for product specs?” description=”Find product-specific downloads in the Additional Information tab of each product page.” title_typo=”null” description_typo=”null” icon_as_icon=”ion ion-ios-download” icon_color=”brand” link_url=”url:https%3A%2F%2Fseismicguys.co.nz%2Four-products%2F|title:Browse%20the%20range” readmore_button=”type=default&size=default”][/vc_column][vc_column css_animation=”fadeIn” width=”1/4″ css=”.vc_custom_1745653348193{padding-top: 50px !important;padding-right: 50px !important;padding-bottom: 50px !important;padding-left: 50px !important;background-color: #E9002C !important;border-radius: 10px !important;}”][ohio_icon_box box_type_layout=”top_icon” content_full=”none” box_alignment=”left” icon_type_layout=”default” icon_size=”60″ use_link=”1″ title=”Need Help?” description=”Schedule a call with one of our designers or surveyors and they’ll help you with your project.” title_typo=”null” description_typo=”null” icon_as_icon=”bi bi-microsoft-teams” link_url=”url:https%3A%2F%2Fseismicguys.co.nz%2Fcontact-us%2F|title:Contact%20Us” readmore_button=”type=default&size=default” icon_color=”#FFFFFF”][/vc_column][/vc_row][vc_row full_width=”stretch_row” css=”.vc_custom_1745646255646{padding-top: 100px !important;padding-bottom: 100px !important;background-color: #1A1A1A !important;}” title_typo=”null”][vc_column width=”1/4″][vc_column_text css=””]

Expansion Joint Concepts

[/vc_column_text][vc_single_image image=”226614″ img_size=”full” css=””][/vc_column][vc_column width=”3/4″][vc_toggle title=”What is an expansion joint?”]Expansion joint is an opening within a structure, at predetermined locations, designed to absorb structural movements:

• Thermal – horizontal movement from temperature changes
• Seismic – horizontal, vertical, or shear from earthquake activity
• Wind Load – horizontal/shear movement from strong winds

[/vc_toggle][vc_toggle title=”What are movement ratings?”]Movement rating categorizes anticipated horizontal change in a joint. A 4” joint with ±2” movement is rated +/- 50%. Thermal joints = +/- 10–25%, seismic = +/- 50%.[/vc_toggle][vc_toggle title=”What is nominal joint width?”]The design width of an opening at median temperature. It may vary at installation due to thermal conditions.[/vc_toggle][vc_toggle title=”What is an expansion joint system?”]An expansion joint system bridges an opening with a plate, insert, or engineered solution to:

• Fit opening size
• Absorb movement
• Match surface finish
• Support load (floor systems)

[/vc_toggle][vc_toggle title=”What type of movement is required?”]Assess for thermal, seismic, sway, or shear. Seismic Guys offers covers to handle 100% movement in all directions.[/vc_toggle][vc_toggle title=”What size joint is called for?”]Typically defined by the engineer. Seismic areas use joints > 4”. Non-seismic: 1–4”.[/vc_toggle][vc_toggle title=”What are the required minimum & maximum joint openings?”]Depends on the engineer’s spec. Always confirm if they’re referring to width or total movement.[/vc_toggle][/vc_column][/vc_row][vc_row full_width=”stretch_row” css=”.vc_custom_1745646354165{padding-top: 100px !important;padding-bottom: 100px !important;background-color: #E9002C !important;}” title_typo=”null”][vc_column width=”1/4″][vc_column_text css=””]

Product Selection & Specs

[/vc_column_text][vc_single_image image=”226643″ img_size=”full” css=””][/vc_column][vc_column width=”3/4″][vc_toggle title=”How do I select architectural expansion joint systems?”]Choose based on:

1. Function – e.g., location (floor, wall, ceiling), load rating, interior/exterior
2. Form – e.g., visual appearance, concealed or exposed

[/vc_toggle][vc_toggle title=”Is there any standard test methods applicable to architectural expansion joint systems?”]Yes: ASTM-E1399-97 is a standard for cyclic movement and measuring joint width.[/vc_toggle][vc_toggle title=”Is loading important?”]Absolutely. Loads exceeding design may cause failure, posing risks. Check load ratings and specs.[/vc_toggle][vc_toggle title=”What surface do I start with?”]Start with floor covers — they impact user safety and mobility. Use flush covers for loads >500 lbs.[/vc_toggle][vc_toggle title=”Where do I find matching wall & ceiling joints?”]Seismic Guys floor covers have coordinating wall and ceiling options.[/vc_toggle][vc_toggle title=”What should the cover look like?”]If a hidden solution is important, Prospec offers unobtrusive designs. Visible options available too.[/vc_toggle][vc_toggle title=”Does my joint require a fire barrier?”]Yes — if in a fire-rated area, a fire barrier must match the wall’s rating and span floor to floor.[/vc_toggle][vc_toggle title=”Weather integrity and expansion joint covers?”]Ensure exterior wall covers are watertight. Prospec offers factory-formed transitions to prevent leaks.[/vc_toggle][/vc_column][/vc_row][vc_row css=”.vc_custom_1745647244854{padding-top: 100px !important;padding-bottom: 100px !important;}” title_typo=”null”][vc_column width=”1/4″][vc_column_text css=””]

Fire Barriers

[/vc_column_text][vc_single_image image=”226644″ img_size=”full” css=””][/vc_column][vc_column width=”3/4″][vc_toggle title=”Where is a fire barrier used and why?”]Fire barriers are used in floor and wall joints in fire-rated zones to:

• Prevent fire/smoke transfer
• Maintain cold-side temperature during a fire

Types:

• Mineral wool + Fire sealant
• Ceramic blanket

[/vc_toggle][vc_toggle title=”What are fire rating standards?”]Common standards:

• UL-2079
• ASTM E-1966
• ASTM E-1399
• ASTM E-119

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Entrance Mats

[/vc_column_text][vc_single_image image=”226647″ img_size=”full” css=””][/vc_column][vc_column width=”3/4″][vc_toggle title=”Can you replace carpet inserts?”]Yes — for Prospec mats, we can replace inserts.[/vc_toggle][vc_toggle title=”Do you provide a drain pan?”]No.[/vc_toggle][vc_toggle title=”What size modules does the mat come in?”]Refer to the product’s PDF data sheet for max module sizes.[/vc_toggle][vc_toggle title=”If replacing a mat, do I also need to buy a new frame?”]Most likely not.[/vc_toggle][vc_toggle title=”How thick/high should the entrance mat be?”]Depends on the mat type and application.[/vc_toggle][vc_toggle title=”What should be the minimum dimension of an entrance mat?”]At least 4ft long; width varies with traffic and layout.[/vc_toggle][vc_toggle title=”Do you have a rollable mat?”]Yes — our Rollet series are rollable for easy maintenance.[/vc_toggle][vc_toggle title=”What sizes do the Rollet series mats come in?”]Custom-made to your specifications.[/vc_toggle][vc_toggle title=”What is the difference between a welcome mat frame and a ramp frame?”]Welcome mat frames sit in a mat well; ramp frames are used when there’s no mat well.[/vc_toggle][vc_toggle title=”Can you manufacture custom-shaped mats (e.g., round, parallelogram)?”]Yes.[/vc_toggle][/vc_column][/vc_row][vc_row css=”.vc_custom_1745647593669{padding-top: 100px !important;}” title_typo=”null”][vc_column width=”1/4″][vc_column_text css=””]

Installation

[/vc_column_text][/vc_column][vc_column width=”3/4″][vc_toggle title=”Do you provide installation service?” css=””]Yes, we provide professional installation for all our systems. Our experienced team ensures every product is installed accurately and in accordance with specifications, delivering a high-quality finish and long-term performance.[/vc_toggle][vc_toggle title=”Is there a minimum quantity to buy products?” css=””]Yes, for most expansion joint covers (EJC), a minimum order of 10 feet (approximately 3 meters) is required.[/vc_toggle][vc_toggle title=”What is the standard length of profile?” css=””]Our profiles are typically supplied in standard 10-foot (3-meter) lengths. Custom sizing may be available upon request, MOQs may apply.[/vc_toggle][/vc_column][/vc_row][vc_row][vc_column width=”1/4″][vc_column_text css=””]

Orders & Logistics

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To request a quote, send us an email with the following details:

• Your company name and contact information

• Project name and location

• Product name(s) and quantities required
  We’ll respond promptly with a detailed quotation tailored to your needs.

 

Or use our contact form[/vc_toggle][vc_toggle title=”How do I place an order?” css=””]To place an order, please email us a formal purchase order along with proof of payment. Our team will confirm your order and begin processing.[/vc_toggle][vc_toggle title=”What is the lead time?” css=””]For larger orders our standard production lead time is approximately 4–6 weeks, depending on the product and order volume. Please contact us for timeframes specific to your project.[/vc_toggle][vc_toggle title=”Do you offer express production service?” css=””]Yes, we offer express production on most items. This service is subject to availability and incurs an additional fee.[/vc_toggle][vc_toggle title=”Do you offer a delivery service?” css=””]Yes, we work with trusted third-party freight providers to arrange delivery. Freight charges are calculated based on order size and destination.[/vc_toggle][vc_toggle title=”Do you offer warranty on your products?” css=””]Yes, our products come with a 3-year manufacturer’s warranty and two years workmanship warranty.[/vc_toggle][vc_toggle title=”What is your return policy?” css=””]Due to the customised nature of our products and services, we are unable to accept returns with the exception of a warranty claim. We encourage you to consult with our team during the specification stage to ensure accuracy.[/vc_toggle][vc_toggle title=”What if the product received is damaged?” css=””]If your order arrives damaged or with a manufacturing defect, please notify us immediately. We will assess the issue and arrange a suitable replacement in line with our warranty terms. For damages caused during freight there may be a delay while we resolve the issue.[/vc_toggle][vc_toggle title=”Where are the products made and manufactured?” css=””]All of our products are proudly manufactured in Canada, following strict quality control and performance standards.[/vc_toggle][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] [/vc_column_text][/vc_column][/vc_row]