Researching Clay Tile Roofing on a Home in Overland Park Kansas?
APC Roofing builds, patches and relays coverings of every common shape, from one cracked piece to a whole slope taken up and put back.
Call us at 913-398-5020 and a roofer who knows tile will explain what is going on overhead.
Anatomy of the Covering – Worth Knowing
Fired clay or cast concrete takes the sun and sheds most rainfall, but the watertight work is done by an underlayment on the deck below. A hard blow drives some moisture between the joints in any storm, so the layer beneath has to guide that seepage out at the eave edge.
A chipped or broken tile seldom shows up as a drip in a room, as the sheet below is still doing its work. Moisture that slips through failed underlayment tends to run along the wood for a while, and the wet spot may appear several feet off.
Weighing the Materials – Key Differences
Fired clay comes out of the kiln dense and hard, and there is no painted coat on the face to wear off. Decades in strong sunlight change its appearance hardly at all, while a properly made unit soaks up almost no rain.
A cement-and-sand mix is molded to a profile and cured to make concrete tile, but the tint on many brands is only a surface finish. The sunny side of the house fades gradually, while a broken corner shows the gray inside. A newly laid piece does not match its older neighbors, and the contrast eases only with seasons outdoors.
Concrete drinks in far more rain than dense clay, and at the colder end of our territory, moisture held inside can freeze and expand. Enough of those cycles can chip away the outer layer, and makers publish a rating for resistance to that kind of wear.
Profile Options: Rolled or Level
A barrel roof is built from half-round pans laid face up, with covers over the gaps between them, and the appearance recalls early Mediterranean villas. The S profile merges the hollow and the crown into one molded form, and many recent houses wear this version.
Flat pieces have no curve and mimic slate or shake at a distance, while runoff sheds across each course with no channel to follow. Barrel and S patterns collect pine needles and leaves in their hollows, but smoother surfaces let most of the debris blow away.
Weight and Structure – Switching Coverings
Standard tile puts several times as many pounds per square foot on a house as asphalt shingles do, and a house built under tile had its rafters sized for that from the start. Going from a lighter roof to a heavy one adds weight the builder never expected, and an undersized frame can sag under it over the years.
An engineer needs to confirm what the rafters and supports can carry before that conversion goes ahead, and reinforcement may follow where the structure lacks strength. Makers also produce low-weight concrete, so a modest house is sometimes a candidate after all.
Securing the Covering – Rules and Practice
Many pieces take a nail or screw through a hole at the upper end, and battens across the slope carry the courses on many jobs. A foam adhesive laid under the tiles is another common method, and mortar-set work beds every unit in a pad of mortar across the field. Wire ties or storm clips give extra hold on particular installations, and the maker's instructions and the local code set which combination applies.
Uplift is strongest around the borders of each slope, so those courses get additional fastening. Hurricane rules at the coastal end of our territory call for firmer anchoring, and the amount of foam and the number of screws are spelled out in advance. A replacement is fastened to match the surrounding courses, and a stuck unit ripped free can ruin the adjoining ones.
Under the Covering: Aging and Exposure
Doubled asphalt felt was the norm for a very long time, while self-adhered bitumen and synthetics are the newer options. Summer heat builds up below the covering and bakes the underlayment, and a membrane of the wrong kind dries out years ahead of schedule.
The units overhead keep daylight off the material under them, so a knocked-out tile opens a patch that degrades fast. A ceiling with no stain does not make a missing piece safe to ignore, since water passing a weathered membrane soaks into the plywood.
Work Below the Surface: Step by Step
Rather than being thrown away, the pieces on a big project can come down by hand and wait in stacks, after which rotten boards are swapped for sound ones. Brand-new waterproofing follows, and the stored tile returns to its old position. The finished result looks just like the original, while the part that keeps rain out starts its life over.
Handling always breaks a few pieces, and older material fails at a higher rate. A new piece needs to seat against the tiles beside it, and a line still in production supplies an identical match. A retired shape is covered with salvaged stock or a close equivalent, and even the best option can differ slightly in shade.
Damaged Pieces – Ladders and Limbs
Much of the harm on these roofs is done by someone walking, and the one responsible was often on the roof for some other job. A ladder leaned on the eave can crack the lowest course, and a standoff bracket that bears on the wall avoids that.
A dead branch landing on the roof shatters everything under it, and pruning trees away from the house stops it before it happens. At the colder end of our territory, large hail can crack a tile outright, but small stones rarely scar the face.
Access Across the Slopes – Boards and Routes
Where a unit sits on the course beneath, it can take a person's weight, while the open span in between gives way under a heel. With a curved profile, feet go in the low pan and stay off the hump, while repeated trips run over walk boards.
A trodden-on unit may look whole while its underside is split, so breakage builds up on a roof without anyone knowing. Solar crews and dish installers do well to plan their access with a roofer, so the pieces under each mount are lifted and reset instead of drilled.
Valleys – Points Worth Knowing
Where adjoining slopes meet, a single fold gathers rain from both, and tile jobs lay a metal liner in it. Where the pieces are cut back decides how wide the open strip is, and a narrow gap can overflow under the covering in a heavy storm.
Pieces along the edge end up small and often lose their nail holes, so foam or clips secure them instead. A buildup of debris in the trough backs water up against the pieces, so water spreads sideways under the covering.
Ridge and Hip Lines: Old and Newer Methods
The joints at the peak and the outside corners are covered with shaped trim, and many older roofs hold it in mortar. Heat and cold crack bedding of that kind as it ages, and loose pieces and crumbs of grit follow.
On more recent roofs the trim is screwed to a raised board run along the joint, and a formed closure under it keeps weather out. Some of those materials are made to let air pass for attic ventilation, yet rain and insects are still kept outside.
Chimney and Wall Junctions: Wide Channels
The inside corner at a vertical face is lined with bent sheet metal, with a counterflashing set above it to cover its upper edge. With tile, that flashing is broad at the base and ends in a raised lip, and the adjoining tile ends short so rain has room to drain.
A bead of caulk along the corner shrinks and splits as it weathers, and the leak comes back where it was. A proper repair means lifting the pieces and redoing the flashing under them, while the underlayment there is redone before the covering goes back.
Through-Roof Parts – Rubber Boots
A plumbing riser gets a base flashing tied into the underlayment, and a pliable metal sleeve is worked down onto the surrounding tile. A shingle-style rubber collar has no way to seal over curved tile, so water runs in under its flange.
Each vent, skylight or solar standoff needs flashing matched to the tile, and a bracket bolted straight through a piece without it will leak.
Eave Details – Setting the Angle
Where a rolled covering stops at the gutter, every piece ends over an open arch, and birds and wasps move in and blown rain enters unless the space is blocked. A contoured closure lines the fascia beneath the covering, and weep holes in it still let water drain out.
The pieces in the lowest course have no course beneath to tilt them up, so a riser strip props them up. A sagging front row traps water on its faces, and a crooked lower line can be seen from the street.
Thermal Performance – Trouble Spots
Rolled shapes and batten systems keep the pieces lifted above the boards, so moving air runs beneath the courses. The draft strips heat away before it travels downward, which keeps the underlayment from baking.
In hot months, top-floor bedrooms feel more comfortable, and heavy pieces take up warmth slowly before releasing it. An eave stuffed with debris or a ridge closed with mortar cuts off the current, so the benefit disappears.
Growth on the Slopes – Pressure Washers
Efflorescence, a pale mineral bloom, often appears on concrete in its early years, and weather tends to clear it without help. Lichen and moss keep the overlaps damp long after a storm, so at the colder end of our territory freezing can wear the face away.
Power washing strips the finish that gives concrete its color, and it can break pieces as the operator walks the slope. A roof cleaner and a light rinse loosen growth without force, and clearing valleys and gutters by hand keeps water moving.
Signs Inside and Out: A Short List
- One unit sits lower than its neighbors, so whatever held it has let go.
- One opening in a course shows bare underlayment, so the waterproofing below is taking direct weather.
- Pieces of clay or concrete turn up in the garden, and the break they came from may be out of sight.
- Gray grit and mortar chips wash out of the downspouts, as the old bedding up top gives way.
- A water stain appears on an upstairs ceiling, even though the way in may be some distance off.
- An inside wall near where the roof meets it turns blotchy, and the metal along that joint may have failed.
- Mats of green or black growth choke the laps, so drainage on that slope may be slowing.
- The line along the bottom edge dips or waves when seen from the yard, and a missing riser or rotten fascia may lie behind it.
How APC Roofing Takes On Clay Tile Roofing in Overland Park Kansas: Findings You Can Use
Every slope is walked before anything else, with the material, profile and fastening noted. The valleys, the ridge, every wall junction and the eave each get a close look, and where the answer depends on the underlayment, a few pieces come up so it can be seen. The attic is checked from inside for water marks and weak boards, because discolored plywood shows the path of any leak.
Anything wrong is photographed, and the extent is measured. Everything seen goes down in writing, with a reason attached to every suggestion. A healthy sheet with damaged pieces on top is labeled a repair job, and an underlayment that has failed is named as such. The owner has the final word, with waiting one of the options.
Clay Tile Roofing for Properties in Overland Park Kansas – Looked at Closely
Call 913-398-5020 and describe the problem.
Small Jobs and Big Ones: Where the Line Falls
A cracked piece, a loose cap or a leaking wall joint is usually a contained problem, so the effort is confined to that area. Choosing a small job or a relay comes down to the underlayment, and a worn-looking surface proves nothing either way.
Where the underlayment has failed across a slope, those courses are lifted and relaid, and slopes still in good shape stay as they are. A layer put down in one go tends to reach the end of its life all over, and the parts spared may follow within a few seasons.
Tile and Time – Product and Workmanship
Quality fired clay can keep going for a century or more, while concrete serves for decades, if somewhat fewer. Underlayment gives out well before the pieces do, and its condition usually sets when major work comes due.
Routine checks and clean valleys let a tile roof go the distance, while an open gap left alone can ruin the sheet early. A typical range is an outcome seen often, not an assurance, and the grade of the product, the fastening and the flashing work all move it.
Basic Requirements: The Groundwork
Rain runs off tile because each course laps over the one below, not because the joints are sealed, so there must be enough incline for rain to drain quickly. Shallower pitches get a sturdier underlayment, and below the minimum a different covering is the right choice.
Every board under the tile needs to be firm, and rotten or delaminated wood is replaced while the roof is open. Gutters are part of how the roof drains, since a blocked stretch pushes water back beneath the bottom course.
For a roofer's read on Clay Tile Roofing in Overland Park Kansas, call APC Roofing at 913-398-5020. Someone who works on tile looks the covering over and writes up what is found, with the decision left in your hands.
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